Skip to main content

Research Repository

Advanced Search

Outputs (105)

Modelling of modular soft robots: From a single to multiple building blocks (2024)
Journal Article
Atia, M. G., Mohammad, A., Gameros, A., Axinte, D., & Wright, I. (2024). Modelling of modular soft robots: From a single to multiple building blocks. Robotics and Autonomous Systems, 174, Article 104622. https://doi.org/10.1016/j.robot.2024.104622

Despite the advances in soft robots, their modelling is still one of the research challenges due to the complexity and non-linearity of their soft nature. A novel design of reconfigurable soft robots was recently introduced to bring more maturity to... Read More about Modelling of modular soft robots: From a single to multiple building blocks.

Modelling and experimental study of laser-assisted milling of fibre reinforced SiC/Ti-6Al-4V metal matrix composite (2023)
Journal Article
Mypati, O., Panzer, J., Robles-Linares, J. A., Zan, S., Liao, Z., & Axinte, D. (2024). Modelling and experimental study of laser-assisted milling of fibre reinforced SiC/Ti-6Al-4V metal matrix composite. Materials and Design, 237, Article 112552. https://doi.org/10.1016/j.matdes.2023.112552

Metal matrix composites (MMCs) offer unique advantageous mechanical properties by strengthening a ductile metal matrix with a ceramic reinforcement (e.g., Ti6Al-4 V/SiCf). However, their heterogeneous composition poses machining challenges including... Read More about Modelling and experimental study of laser-assisted milling of fibre reinforced SiC/Ti-6Al-4V metal matrix composite.

An analytical differential kinematics-based method for controlling tendon-driven continuum robots (2023)
Journal Article
Ba, W., Chang, J., Liu, J., Wang, X., Dong, X., & Axinte, D. (2024). An analytical differential kinematics-based method for controlling tendon-driven continuum robots. Robotics and Autonomous Systems, 171, Article 104562. https://doi.org/10.1016/j.robot.2023.104562

Generic and high-performance feedback control is still challenging for tendon-driven continuum robots. Conventional model-based controllers, based on the piecewise constant curvature (PCC) assumption, explicitly require the arc parameters (bending an... Read More about An analytical differential kinematics-based method for controlling tendon-driven continuum robots.

Efficient and Scalable Inverse Kinematics for Continuum Robots (2023)
Journal Article
Wild, S., Zeng, T., Mohammad, A., Billingham, J., Axinte, D., & Dong, X. (2024). Efficient and Scalable Inverse Kinematics for Continuum Robots. IEEE Robotics and Automation Letters, 9(1), 375 - 381. https://doi.org/10.1109/lra.2023.3331291

With their flexible nature, continuum robots offer hyper-redundancy regarding their workspace; their backbone can take many shapes upon a single tip position and orientation. Deciphering which backbone shape to use under certain conditions is crucial... Read More about Efficient and Scalable Inverse Kinematics for Continuum Robots.

A Robust Human–Robot Collaborative Control Approach Based on Model Predictive Control (2023)
Journal Article
Zeng, T., Mohammad, A., Madrigal, A. G., Axinte, D., & Keedwell, M. (2023). A Robust Human–Robot Collaborative Control Approach Based on Model Predictive Control. IEEE Transactions on Industrial Electronics, https://doi.org/10.1109/TIE.2023.3299046

Human skill-based robotic control to perform critical manufacturing operations (e.g., repair and inspection for high-value assets) can reduce scrap rates and increase overall profitability in the industrial community. In this study, a human–robotic c... Read More about A Robust Human–Robot Collaborative Control Approach Based on Model Predictive Control.

Investigation of the grain deformation to orthogonal cutting process of the textured Alloy 718 fabricated by laser powder bed fusion (2023)
Journal Article
Li, L., Chen, H., Liao, Z., Yang, Y., & Axinte, D. (2023). Investigation of the grain deformation to orthogonal cutting process of the textured Alloy 718 fabricated by laser powder bed fusion. International Journal of Machine Tools and Manufacture, 190, Article 104050. https://doi.org/10.1016/j.ijmachtools.2023.104050

In the laser powder bed fusion (LPBF), the grains grow in preferential directions depending on the scanning strategies, which results in layer-by-layer builds of particular crystallographic textures. The unique microstructure formed by LPBF results i... Read More about Investigation of the grain deformation to orthogonal cutting process of the textured Alloy 718 fabricated by laser powder bed fusion.

Modeling and simulation of surface generation in manufacturing (2023)
Journal Article
Tosello, G., Bissacco, G., Cao, J., & Axinte, D. (2023). Modeling and simulation of surface generation in manufacturing. CIRP Annals - Manufacturing Technology, 72(2), 753-779. https://doi.org/10.1016/j.cirp.2023.05.002

The paper describes the state-of-the-art in modeling and simulation of surface texture and topography generation at micro and nano dimensional scales. Three main classes of manufacturing processes used for the generation of engineering surfaces are... Read More about Modeling and simulation of surface generation in manufacturing.

Synergistic integration of vibration absorption and damping into 3D-printed fixtures for thin-wall machining (2023)
Journal Article
Picavea, J., Mohammad, A., Gameros, A., Yang, J., & Axinte, D. (2023). Synergistic integration of vibration absorption and damping into 3D-printed fixtures for thin-wall machining. CIRP Annals - Manufacturing Technology, 72(1), 357-360. https://doi.org/10.1016/j.cirp.2023.04.085

To reduce vibration during machining and to avoid re-manufacture or scrap parts, two main methods have been proposed, vibration damping and absorption. In this paper, a novel synergistic integration between both techniques using pillar elements known... Read More about Synergistic integration of vibration absorption and damping into 3D-printed fixtures for thin-wall machining.

Inverse size effect and deformation mechanism in Ti-6Al-4V cutting process – investigation on effect of bimodal microstructure on machining (2023)
Journal Article
Zan, S., Liu, G., Liao, Z., Axinte, D., & Fang, F. (2023). Inverse size effect and deformation mechanism in Ti-6Al-4V cutting process – investigation on effect of bimodal microstructure on machining. CIRP Annals - Manufacturing Technology, https://doi.org/10.1016/j.cirp.2023.04.042

Ti-6Al-4 V finds wide applications in industrial areas due to its unique properties. Though, how its special microstructure (i.e., properties mismatch between different phases) could influence the surface/chip formation mechanism when machining (e.g.... Read More about Inverse size effect and deformation mechanism in Ti-6Al-4V cutting process – investigation on effect of bimodal microstructure on machining.

The effect of high strain rate impact in Yttria stabilized zirconia (2023)
Journal Article
Sanchez, I., Axinte, D., Liao, Z., Gavalda-Diaz, O., & Smith, R. (2023). The effect of high strain rate impact in Yttria stabilized zirconia. Materials and Design, 229, Article 111908. https://doi.org/10.1016/j.matdes.2023.111908

Yttria stabilized zirconia (6-8YSZ) is widely used as a top coat in Thermal Barrier Coatings (TBCs) to protect metallic substrates. These coatings are exposed to severe high strain rate fields along their life, for example during the impact of debris... Read More about The effect of high strain rate impact in Yttria stabilized zirconia.

Continuum Robots: An Overview (2023)
Journal Article
Russo, M., Sadati, S. H., Dong, X., Mohammad, A., Walker, I. D., Bergeles, C., …Axinte, D. A. (2023). Continuum Robots: An Overview. Advanced Intelligent Systems, 5(5), Article 2200367. https://doi.org/10.1002/aisy.202200367

In this paper, we discuss recent advances, current limitations, and open challenges in the design, modeling, and control of continuum robots. Thanks to their lean bodies, these robots achieve a long reach through narrow and tortuous environments, ena... Read More about Continuum Robots: An Overview.

Tailorable shielded compliance of thermal barrier coatings through laser texturing and microstructural modification: microfeature design and validation (2023)
Journal Article
Bogatyrev, A., Liao, Z., Axinte, D., & Norton, A. (2023). Tailorable shielded compliance of thermal barrier coatings through laser texturing and microstructural modification: microfeature design and validation. Journal of the European Ceramic Society, 43(8), 3704-3726. https://doi.org/10.1016/j.jeurceramsoc.2023.02.035

Thermal barrier coatings (TBCs) are widely used for protecting components from an aggressive environment and excessive temperatures. However, the top coat can lack thermal compliance and environmental resistance, promoting premature failure. This stu... Read More about Tailorable shielded compliance of thermal barrier coatings through laser texturing and microstructural modification: microfeature design and validation.

A rational approach to beam path planning in additive manufacturing: the inverse heat placement problem (2023)
Journal Article
Yang, Y., Billingham, J., Axinte, D., & Liao, Z. (2023). A rational approach to beam path planning in additive manufacturing: the inverse heat placement problem. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 479(2270), Article 20220386. https://doi.org/10.1098/rspa.2022.0386

High demand for components with complex geometries at macro and micro levels drives the development of additive manufacturing (AM). However, the scientific basis for designing energy beam scanning strategies (e.g. beam scanning speed, beam path, beam... Read More about A rational approach to beam path planning in additive manufacturing: the inverse heat placement problem.

Machining of long ceramic fibre reinforced metal matrix composites – How could temperature influence the cutting mechanisms? (2023)
Journal Article
Zan, S., Liao, Z., Robles-Linares, J. A., Garcia Luna, G., & Axinte, D. (2023). Machining of long ceramic fibre reinforced metal matrix composites – How could temperature influence the cutting mechanisms?. International Journal of Machine Tools and Manufacture, 185, Article 103994. https://doi.org/10.1016/j.ijmachtools.2023.103994

Metal matrix composites (MMCs) offer a unique set of properties due to the ductile-brittle combination produced by the matrix and the reinforcements. Conventional MMCs are usually particle-reinforced, and their cutting mechanisms have been thoroughly... Read More about Machining of long ceramic fibre reinforced metal matrix composites – How could temperature influence the cutting mechanisms?.

Design and Control of a Multiple-Section Continuum Robot With a Hybrid Sensing System (2023)
Journal Article
Fang, Y., Dong, X., Mohammad, A., & Axinte, D. (2023). Design and Control of a Multiple-Section Continuum Robot With a Hybrid Sensing System. IEEE/ASME Transactions on Mechatronics, 28(3), 1522-1533. https://doi.org/10.1109/TMECH.2022.3229188

After decades of development, the technology of continuum robots continues to mature gradually and is used for various applications, e.g., inspection and repair in high-value-added industries such as aerospace & nuclear. However, such robots are inva... Read More about Design and Control of a Multiple-Section Continuum Robot With a Hybrid Sensing System.

Tasering Twin Soft Robot: A Multimodal Soft Robot Capable of Passive Flight and Wall Climbing (2022)
Journal Article
Sriratanasak, N., Axinte, D., Dong, X., Mohammad, A., Russo, M., & Raimondi, L. (2022). Tasering Twin Soft Robot: A Multimodal Soft Robot Capable of Passive Flight and Wall Climbing. Advanced Intelligent Systems, 4(12), Article 2200223. https://doi.org/10.1002/aisy.202200223

The application of Soft Crawling Robots (SCRs) to real-world scenarios remains a grand challenge due to their limited deployment time to reach the target and accessibility to difficult-to-reach environments by any obstacles. To overcome these limitat... Read More about Tasering Twin Soft Robot: A Multimodal Soft Robot Capable of Passive Flight and Wall Climbing.

What micro-mechanical testing can reveal about machining processes (2022)
Journal Article
Axinte, D., Huang, H., Yan, J., & Liao, Z. (2022). What micro-mechanical testing can reveal about machining processes. International Journal of Machine Tools and Manufacture, 183, Article 103964. https://doi.org/10.1016/j.ijmachtools.2022.103964

For many years, the machining community has dedicated significant efforts to investigate the microscopic scale level phenomena during the material removal process. On one hand much research has been carried out in relation to workpiece surface integr... Read More about What micro-mechanical testing can reveal about machining processes.

On modelling coolant penetration into the microchannels at the tool-workpiece interface (2022)
Journal Article
Wei, W., Robles-Linares, J. A., Liao, Z., Wang, Z., Luna, G. G., Billingham, J., & Axinte, D. (2022). On modelling coolant penetration into the microchannels at the tool-workpiece interface. Journal of Manufacturing Processes, 84, 43-54. https://doi.org/10.1016/j.jmapro.2022.09.044

A network of microchannels is formed at the interface between the cutting tool and the workpiece during machining due to their rough surface structures. The penetration of coolant into these microchannels has a great effect on the machined surface qu... Read More about On modelling coolant penetration into the microchannels at the tool-workpiece interface.

Reconfigurable Soft Robots by Building Blocks (2022)
Journal Article
Atia, M. G., Mohammad, A., Gameros, A., Axinte, D., & Wright, I. (2022). Reconfigurable Soft Robots by Building Blocks. Advanced Science, Article 2203217. https://doi.org/10.1002/advs.202203217

Soft robots are of increasing interest as they can cope with challenges that are poorly addressed by conventional rigid-body robots (e.g., limited flexibility). However, due to their flexible nature, the soft robots can be particularly prone to explo... Read More about Reconfigurable Soft Robots by Building Blocks.

Novel Reconfigurable Walking Machine Tool Enables Symmetric and Nonsymmetric Walking Configurations (2022)
Journal Article
Camacho-Arreguin, J. I., Wang, M., Russo, M., Dong, X., & Axinte, D. (2022). Novel Reconfigurable Walking Machine Tool Enables Symmetric and Nonsymmetric Walking Configurations. IEEE/ASME Transactions on Mechatronics, https://doi.org/10.1109/TMECH.2022.3183689

Current research on walking robots strives to achieve a higher efficiency, a better load capacity, and an increased adaptability. Parallel kinematic manipulators (PKMs) are characterized by high payload and accuracy, but conventional PKMs with fixed... Read More about Novel Reconfigurable Walking Machine Tool Enables Symmetric and Nonsymmetric Walking Configurations.

The effect of interstitial fluid on the machining behaviour of cortical bone (2022)
Journal Article
Robles-Linares, J. A., Liao, Z., Axinte, D., & Gameros, A. (2022). The effect of interstitial fluid on the machining behaviour of cortical bone. Journal of Materials Processing Technology, 307, Article 117697. https://doi.org/10.1016/j.jmatprotec.2022.117697

Bone machining research is usually conducted ex-vivo with standard laboratory equipment, implying mostly that the cutting process takes place in dry state. While these studies are useful for understanding the bone cutting process, they cannot represe... Read More about The effect of interstitial fluid on the machining behaviour of cortical bone.

A Novel Underactuated Continuum Robot With Shape Memory Alloy Clutches (2022)
Journal Article
Bishop, C., Russo, M., Dong, X., & Axinte, D. (2022). A Novel Underactuated Continuum Robot With Shape Memory Alloy Clutches. IEEE/ASME Transactions on Mechatronics, 27(6), 5339-5350. https://doi.org/10.1109/TMECH.2022.3179812

The many degrees of freedom of continuum robots (CRs) enable unique applications in the search and rescue, medical and aerospace industries. However, the many motors required result in unwieldy external actuation packs and additional weight. Underact... Read More about A Novel Underactuated Continuum Robot With Shape Memory Alloy Clutches.

On the importance of interface stability in cellular automata models: Planar and dendritic solidification in laser melted YSZ (2022)
Journal Article
Ushmaev, D., Liao, Z., Notron, A., & Axinte, D. (2022). On the importance of interface stability in cellular automata models: Planar and dendritic solidification in laser melted YSZ. Materials and Design, 219, Article 110823. https://doi.org/10.1016/j.matdes.2022.110823

Laser-processing technologies are often applied to enhance the properties of ceramics, such as laser glazing of Yttria Stabilised Zirconia (YSZ). However, very limited attention was paid to the solidification phenomena and mechanisms of YSZ. In this... Read More about On the importance of interface stability in cellular automata models: Planar and dendritic solidification in laser melted YSZ.

Temperature-dependent shear localisation and microstructural evolution in machining of nickel-base superalloys (2022)
Journal Article
la Monaca, A., Axinte, D. A., Liao, Z., M'Saoubi, R., & Hardy, M. C. (2022). Temperature-dependent shear localisation and microstructural evolution in machining of nickel-base superalloys. Materials and Design, 219, Article 110792. https://doi.org/10.1016/j.matdes.2022.110792

Understanding the microstructural evolution mechanisms in machining of advanced materials is essential to achieve excellent surface integrity levels within the manufacture of safety–critical components. However, as thermal and mechanical effects are... Read More about Temperature-dependent shear localisation and microstructural evolution in machining of nickel-base superalloys.

Can higher cutting speeds and temperatures improve the microstructural surface integrity of advanced Ni-base superalloys? (2022)
Journal Article
la Monaca, A., Liao, Z., Axinte, D. A., M'Saoubi, R., & Hardy, M. C. (2022). Can higher cutting speeds and temperatures improve the microstructural surface integrity of advanced Ni-base superalloys?. CIRP Annals - Manufacturing Technology, 71(1), 113-116. https://doi.org/10.1016/j.cirp.2022.04.061

Future Ni-base superalloys are designed to deliver outstanding mechanical behaviour at high temperatures, which may translate in significant machining challenges. In this work, a paradigm is presented by which is proven how machining of these materia... Read More about Can higher cutting speeds and temperatures improve the microstructural surface integrity of advanced Ni-base superalloys?.

Overlapped wire-fed laser cladding on inclined surfaces: An analytical model considering gravity and a model application (2022)
Journal Article
Li, J., Li, H. N., Liao, Z., & Axinte, D. (2022). Overlapped wire-fed laser cladding on inclined surfaces: An analytical model considering gravity and a model application. Journal of Materials Processing Technology, 304, Article 117559. https://doi.org/10.1016/j.jmatprotec.2022.117559

The controllable wire-fed laser cladding (WLC) on inclined surfaces is one of the most challenging issues to repair free-form surfaces of high-valued parts because of the gravity effect, and therefore has attracted substantial attentions. Numerical m... Read More about Overlapped wire-fed laser cladding on inclined surfaces: An analytical model considering gravity and a model application.

Continuum Robots Collaborate for Safe Manipulation of High-Temperature Flame to Enable Repairs in Challenging Environments (2022)
Journal Article
Dong, X., Wang, M., Mohammad, A. E. K., Ba, W., Russo, M., Norton, A., …Axinte, D. (2022). Continuum Robots Collaborate for Safe Manipulation of High-Temperature Flame to Enable Repairs in Challenging Environments. IEEE/ASME Transactions on Mechatronics, 27(5), 4217-4220. https://doi.org/10.1109/TMECH.2021.3138222

This letter presents two long continuum robots, inserted through small holes, and working collaboratively in a crammed space to manipulate an extreme-temperature (>2000 °C) flame for coating repair on aeroengines without the need of their disassembly... Read More about Continuum Robots Collaborate for Safe Manipulation of High-Temperature Flame to Enable Repairs in Challenging Environments.

Cooperative continuum robots: Enhancing individual continuum arms by reconfiguring into a parallel manipulator (2021)
Journal Article
Russo, M., Sriratanasak, N., Ba, W., Dong, X., Mohammad, A., & Axinte, D. (2022). Cooperative continuum robots: Enhancing individual continuum arms by reconfiguring into a parallel manipulator. IEEE Robotics and Automation Letters, 7(2), 1558-1565. https://doi.org/10.1109/LRA.2021.3139371

Continuum robots are able of in-situ inspection tasks in cluttered environments and narrow passages, where conventional robots and human operators cannot intervene. However, such intervention often requires the robot to interact with the environment,... Read More about Cooperative continuum robots: Enhancing individual continuum arms by reconfiguring into a parallel manipulator.

Towards the understanding the effect of surface integrity on the fatigue performance of silicon carbide particle reinforced aluminium matrix composites (2021)
Journal Article
Han, X., Liao, Z., Luna, G. G., Li, H. N., & Axinte, D. (2022). Towards the understanding the effect of surface integrity on the fatigue performance of silicon carbide particle reinforced aluminium matrix composites. Journal of Manufacturing Processes, 73, 518-530. https://doi.org/10.1016/j.jmapro.2021.11.029

The fatigue performance of metal matrix composites (MMCs) is highly related to their surface integrity due to the intensive tool-particle interactions and metallographic alterations of matrix, especially under extreme cutting parameters, which could... Read More about Towards the understanding the effect of surface integrity on the fatigue performance of silicon carbide particle reinforced aluminium matrix composites.

Analytical model for predicting residual stresses in abrasive waterjet peening (2021)
Journal Article
Wang, Z., Liao, Z., Axinte, D., Dong, X., Xu, D., & Augustinavicius, G. (2021). Analytical model for predicting residual stresses in abrasive waterjet peening. Materials and Design, 212, Article 110209. https://doi.org/10.1016/j.matdes.2021.110209

Abrasive waterjet peening (AWJP) is a new mechanical surface treatment where particles are delivered by a waterjet to induce plastic deformation and achieve surface strengthening effects on a workpiece. Although fatigue strength can be improved by in... Read More about Analytical model for predicting residual stresses in abrasive waterjet peening.

How non-conventional machining affects the surface integrity and magnetic properties of non-oriented electrical steel (2021)
Journal Article
Winter, K., Liao, Z., Ramanathan, R., Axinte, D., Vakil, G., & Gerada, C. (2021). How non-conventional machining affects the surface integrity and magnetic properties of non-oriented electrical steel. Materials and Design, 210, Article 110051. https://doi.org/10.1016/j.matdes.2021.110051

Non-oriented electrical steel (NOES) laminations are commonly used to manufacture the rotor and stator core of electric machines. To achieve high machine efficiencies, it is desirable for these NOES laminations to be able to achieve a high saturation... Read More about How non-conventional machining affects the surface integrity and magnetic properties of non-oriented electrical steel.

Influence of surface integrity induced by multiple machining processes upon the fatigue performance of a nickel based superalloy (2021)
Journal Article
Liao, Z., Xu, D., Luna, G. G., Axinte, D., Augustinavicius, G., Sarasua, J. A., & Wretland, A. (2021). Influence of surface integrity induced by multiple machining processes upon the fatigue performance of a nickel based superalloy. Journal of Materials Processing Technology, 298, Article 117313. https://doi.org/10.1016/j.jmatprotec.2021.117313

Machining operations are of key importance to the fatigue performance of nickel based superalloys due to the high thermal/mechanical loadings yielded on the machined workpiece which can significantly alter the surface integrity of the components. The... Read More about Influence of surface integrity induced by multiple machining processes upon the fatigue performance of a nickel based superalloy.

On the importance of stochasticity of composite workpiece structures for post-processing operations: An analysis of errors on fixturing problems (2021)
Journal Article
Gameros, A., Diaz, O. G., Axinte, D., & Novovic, D. (2021). On the importance of stochasticity of composite workpiece structures for post-processing operations: An analysis of errors on fixturing problems. Composite Structures, 274, Article 114362. https://doi.org/10.1016/j.compstruct.2021.114362

As woven composites have attracted the attention of high-value industries, their broader implementation should be supported by an enhanced understating of the impact that their characteristic uneven surface has on high-precision post-processing opera... Read More about On the importance of stochasticity of composite workpiece structures for post-processing operations: An analysis of errors on fixturing problems.

Regional temperature control in ceramic injection moulding: an approach based on cooling rate optimisation (2021)
Journal Article
Bianchi, M. F., Gameros, A., Axinte, D. A., Lowth, S., Cendrowicz, A. M., & Welch, S. T. (2021). Regional temperature control in ceramic injection moulding: an approach based on cooling rate optimisation. Journal of Manufacturing Processes, 68(Part A), 1767-1783. https://doi.org/10.1016/j.jmapro.2021.06.069

The injection moulding of ceramic components with uneven wall thickness presents challenges due to differential cooling rates developing in the injected parts, which cause premature solidification of the feedstock at thin features and lead to detrime... Read More about Regional temperature control in ceramic injection moulding: an approach based on cooling rate optimisation.

An efficient follow-the-leader strategy for continuum robot navigation and coiling (2021)
Journal Article
Mohammad, A., Russo, M., Fang, Y., Dong, X., Axinte, D., & Kell, J. (2021). An efficient follow-the-leader strategy for continuum robot navigation and coiling. IEEE Robotics and Automation Letters, 6(4), 7493 - 7500. https://doi.org/10.1109/LRA.2021.3097265

Efficient path planning for hyper-redundant continuum and snake-like robots is a challenging task due to limited sensing capabilities, high computational loads, multiple possible solutions, and non-linear models. This paper presents a new approach to... Read More about An efficient follow-the-leader strategy for continuum robot navigation and coiling.

Towards understanding the thermal history of microstructural surface deformation when cutting a next generation powder metallurgy nickel-base superalloy (2021)
Journal Article
la Monaca, A., Axinte, D. A., Liao, Z., M’Saoubi, R., & Hardy, M. C. (2021). Towards understanding the thermal history of microstructural surface deformation when cutting a next generation powder metallurgy nickel-base superalloy. International Journal of Machine Tools and Manufacture, 168(Part B), Article 103765. https://doi.org/10.1016/j.ijmachtools.2021.103765

Despite the ongoing progress in metallurgical characterisation of machined surfaces, knowledge of the thermal conditions under which they originate during the workpiece-flank interaction is still lacking. When cutting advanced superalloys, little is... Read More about Towards understanding the thermal history of microstructural surface deformation when cutting a next generation powder metallurgy nickel-base superalloy.

Signal-based analysis of the dynamic behaviour of the system in inertia friction welding and its impact on part contact evolution (2021)
Journal Article
Raimondi, L., Bennett, C. J., Gameros, A., & Axinte, D. (2021). Signal-based analysis of the dynamic behaviour of the system in inertia friction welding and its impact on part contact evolution. Mechanical Systems and Signal Processing, 161, Article 107985. https://doi.org/10.1016/j.ymssp.2021.107985

Inertia friction welding (IFW) is a process used to create joints with high geometrical accuracy and near net shape form. To cope with the complex phenomena occurring during welding, the majority of available studies have analysed the interaction of... Read More about Signal-based analysis of the dynamic behaviour of the system in inertia friction welding and its impact on part contact evolution.

Revealing Nanoscale deformation mechanisms caused by shear-based material removal on individual grains of a Ni-based superalloy (2021)
Journal Article
Axinte, D., Michler, J., Jain, M., Liao, Z., Maeder, X., Ramachandramoorthy, R., …Xu, D. (2021). Revealing Nanoscale deformation mechanisms caused by shear-based material removal on individual grains of a Ni-based superalloy. Acta Materialia, 212, Article 116929. https://doi.org/10.1016/j.actamat.2021.116929

Shear-based material removal processes significantly influence the quality of workpiece surface and implicitly the component functional performance. An in-situ SEM nano-cutting enabled the study of crystal flow and lattice rotation occurring below th... Read More about Revealing Nanoscale deformation mechanisms caused by shear-based material removal on individual grains of a Ni-based superalloy.

A kinematic coupling mechanism with binary electromagnetic actuators for high-precision positioning (2021)
Journal Article
Russo, M., Barrientos-Diez, J., & Axinte, D. (2022). A kinematic coupling mechanism with binary electromagnetic actuators for high-precision positioning. IEEE/ASME Transactions on Mechatronics, 27(2), 892-903. https://doi.org/10.1109/TMECH.2021.3074286

Rather than working in a continuous range of motion, binary actuators can only maintain two positions. This lack of flexibility is compensated by high accuracy, repeatability, and reliability. These features make binary-actuated mechanisms appealing... Read More about A kinematic coupling mechanism with binary electromagnetic actuators for high-precision positioning.

Surface formation mechanism in waterjet guided laser cutting of a Ni-based superalloy (2021)
Journal Article
Liao, Z., Xu, D., Axinte, D., Diboine, J., & Wretland, A. (2021). Surface formation mechanism in waterjet guided laser cutting of a Ni-based superalloy. CIRP Annals - Manufacturing Technology, 70(1), 155-158. https://doi.org/10.1016/j.cirp.2021.03.007

Waterjet guided laser (WJGL) cutting is a relatively new technology for high-precision machining of difficult-to-cut materials. However, its material removal mechanism presents some unique features because of the interaction between laser, waterjet a... Read More about Surface formation mechanism in waterjet guided laser cutting of a Ni-based superalloy.

Surface integrity in metal machining - Part II: Functional performance (2021)
Journal Article
la Monaca, A., Murray, J. W., Liao, Z., Speidel, A., Robles-Linares, J. A., Axinte, D. A., …Clare, A. T. (2021). Surface integrity in metal machining - Part II: Functional performance. International Journal of Machine Tools and Manufacture, 164, Article 103718. https://doi.org/10.1016/j.ijmachtools.2021.103718

Material removal operations play a pivotal role in the manufacture of key components, required for engineering systems to operate safely and efficiently under ever more advanced functional requirements and over extended life cycles. To further step u... Read More about Surface integrity in metal machining - Part II: Functional performance.

Design and Validation of a Novel Fuzzy-Logic-Based Static Feedback Controller for Tendon-Driven Continuum Robots (2021)
Journal Article
Ba, W., Dong, X., Mohammad, A., Wang, M., Axinte, D., & Norton, A. (2021). Design and Validation of a Novel Fuzzy-Logic-Based Static Feedback Controller for Tendon-Driven Continuum Robots. IEEE/ASME Transactions on Mechatronics, 26(6), 3010-3021. https://doi.org/10.1109/TMECH.2021.3050263

IEEE Continuum robots (CRs) outperform the conventional rigid-link manipulators in aspects of hyper-redundant and compliant features. They provide universal and efficient solutions to access to constrained environments, e.g., aero-engines and industr... Read More about Design and Validation of a Novel Fuzzy-Logic-Based Static Feedback Controller for Tendon-Driven Continuum Robots.

Machining-induced thermal damage in cortical bone: Necrosis and micro-mechanical integrity (2021)
Journal Article
Robles-Linares, J. A., Axinte, D., Liao, Z., & Gameros, A. (2021). Machining-induced thermal damage in cortical bone: Necrosis and micro-mechanical integrity. Materials and Design, 197, Article 109215. https://doi.org/10.1016/j.matdes.2020.109215

In bone cutting, the tissue is exposed to necrosis due to temperature elevation, which can significantly influence postoperative results in orthopaedic surgeries. This damage is usually revealed through histological analysis to show the necrotic exte... Read More about Machining-induced thermal damage in cortical bone: Necrosis and micro-mechanical integrity.

Surface integrity in metal machining - Part I: Fundamentals of surface characteristics and formation mechanisms (2020)
Journal Article
Liao, Z., la Monaca, A., Murray, J., Speidel, A., Ushmaev, D., Clare, A., …M'Saoubi, R. (2021). Surface integrity in metal machining - Part I: Fundamentals of surface characteristics and formation mechanisms. International Journal of Machine Tools and Manufacture, 162, 1-51. https://doi.org/10.1016/j.ijmachtools.2020.103687

The surface integrity of machined metal components is critical to their in-service functionality, longevity and overall performance. Surface defects induced by machining operations vary from the nano to macro scale, which cause microstructural, mecha... Read More about Surface integrity in metal machining - Part I: Fundamentals of surface characteristics and formation mechanisms.

Task-oriented optimal dimensional synthesis of robotic manipulators with limited mobility (2020)
Journal Article
Russo, M., Raimondi, L., Dong, X., Axinte, D., & Kell, J. (2021). Task-oriented optimal dimensional synthesis of robotic manipulators with limited mobility. Robotics and Computer-Integrated Manufacturing, 69, Article 102096. https://doi.org/10.1016/j.rcim.2020.102096

© 2020 In this article, an optimization method is proposed for the dimensional synthesis of robotic manipulators with limited mobility, i.e. with less than 6 degrees-of-freedom (“DoF”), with a prescribed set of tasks in a constrained environment. Sin... Read More about Task-oriented optimal dimensional synthesis of robotic manipulators with limited mobility.

Temperature effect on the material removal mechanism of soft-brittle crystals at nano/micron scale (2020)
Journal Article
Liu, Q., Liao, Z., & Axinte, D. (2020). Temperature effect on the material removal mechanism of soft-brittle crystals at nano/micron scale. International Journal of Machine Tools and Manufacture, 159(Part B), Article 103620. https://doi.org/10.1016/j.ijmachtools.2020.103620

© 2020 Elsevier Ltd Soft-brittle crystals, e.g. KH2PO4 (KDP), are difficult-to-cut due to their high brittleness which can easily generate crack during the machining process. The conventional method to machine this kind of material is by inducing duc... Read More about Temperature effect on the material removal mechanism of soft-brittle crystals at nano/micron scale.

Analytical modelling of full single-track profile in wire-fed laser cladding (2020)
Journal Article
Li, J., Li, H. N., Liao, Z., & Axinte, D. (2021). Analytical modelling of full single-track profile in wire-fed laser cladding. Journal of Materials Processing Technology, 290, Article 116978. https://doi.org/10.1016/j.jmatprotec.2020.116978

© 2020 Elsevier B.V. Laser cladding is an additive manufacturing technology that enables rapid large-volume deposition of metal onto a substrate by forming a stable track on a target surface. It is now widely used for surface functionalization and pa... Read More about Analytical modelling of full single-track profile in wire-fed laser cladding.

On understanding the specific cutting mechanisms governing the workpiece surface integrity in metal matrix composites machining (2020)
Journal Article
Han, X., Xu, D., Axinte, D., Liao, Z., & Li, H. N. (2021). On understanding the specific cutting mechanisms governing the workpiece surface integrity in metal matrix composites machining. Journal of Materials Processing Technology, 288, Article 116875. https://doi.org/10.1016/j.jmatprotec.2020.116875

Machining of metal matrix composites (MMCs) is always challenging due to the mismatch of mechanical and thermal properties between the soft matrix and the abrasive reinforced particles, which causes rapid tool wear and severe surface damage. This pap... Read More about On understanding the specific cutting mechanisms governing the workpiece surface integrity in metal matrix composites machining.

Investigation of surface integrity in laser-assisted machining of nickel based superalloy (2020)
Journal Article
Xu, D., Liao, Z., Axinte, D., Sarasua, J. A., M'Saoubi, R., & Wretland, A. (2020). Investigation of surface integrity in laser-assisted machining of nickel based superalloy. Materials and Design, 194, Article 108851. https://doi.org/10.1016/j.matdes.2020.108851

© 2020 The Authors While laser-assisted machining can significantly improve the machinability of nickel-based superalloy, the mechanism of surface integrity evolution and its influence on the material functional performance is still not clear. The pr... Read More about Investigation of surface integrity in laser-assisted machining of nickel based superalloy.

Dual-processing by abrasive waterjet machining—A method for machining and surface modification of nickel-based superalloy (2020)
Journal Article
Liao, Z., Sanchez, I., Xu, D., Axinte, D., Augustinavicius, G., & Wretland, A. (2020). Dual-processing by abrasive waterjet machining—A method for machining and surface modification of nickel-based superalloy. Journal of Materials Processing Technology, 285, Article 116768. https://doi.org/10.1016/j.jmatprotec.2020.116768

© 2020 Elsevier B.V. Abrasive waterjet (AWJ) is widely used for machining of advanced (e.g. nickel-based) superalloys as it offers high material removal rates and low cutting temperatures. However, the inadequate surface integrity, e.g. large number... Read More about Dual-processing by abrasive waterjet machining—A method for machining and surface modification of nickel-based superalloy.

Novel cutting inserts with multi-channel irrigation at the chip-tool interface: Modelling, design and experiments (2020)
Journal Article
Liao, Z., Xu, D., Axinte, D., M'Saoubi, R., Thelin, J., & Wretland, A. (2020). Novel cutting inserts with multi-channel irrigation at the chip-tool interface: Modelling, design and experiments. CIRP Annals - Manufacturing Technology, 69(1), 65-68. https://doi.org/10.1016/j.cirp.2020.04.028

© 2020 CIRP The friction at chip-tool interface can considerably affect the chip formation and consumed energy during cutting of superalloys. However, it is difficult to deliver the lubricant to the chip-tool interface to reduce the friction effect.... Read More about Novel cutting inserts with multi-channel irrigation at the chip-tool interface: Modelling, design and experiments.

A digital approach to automatically assess the machining-induced microstructural surface integrity (2020)
Journal Article
la Monaca, A., Liao, Z., & Axinte, D. (2020). A digital approach to automatically assess the machining-induced microstructural surface integrity. Journal of Materials Processing Technology, 282, https://doi.org/10.1016/j.jmatprotec.2020.116703

© 2020 Elsevier B.V. When it comes to advanced materials for safety-critical applications, the evaluation of the machining-induced microstructural surface integrity represents a primary aspect within the assessment of part quality. Nowadays, presence... Read More about A digital approach to automatically assess the machining-induced microstructural surface integrity.

Development of a novel system for in-situ repair of aeroengine airfoil via pulsed laser ablation (2020)
Journal Article
Cha, D., Diaz, O., Liao, Z., Gilbert, D., Axinte, D., Kell, J., …Main, D. (2020). Development of a novel system for in-situ repair of aeroengine airfoil via pulsed laser ablation. Journal of Manufacturing Systems, 55, 126-131. https://doi.org/10.1016/j.jmsy.2020.03.001

A novel system for performing in-situ micro-machining of aero-engines for repair applications is proposed in this paper. Using Pulsed Laser Ablation (PLA) as material removal technique, surface cracks caused by foreign objects colliding with airfoils... Read More about Development of a novel system for in-situ repair of aeroengine airfoil via pulsed laser ablation.

Controlling of compliant grinding for low-rigidity components (2020)
Journal Article
Yang, Y., Li, H., Liao, Z., Axinte, D., Zhu, W., & Beaucamp, A. (2020). Controlling of compliant grinding for low-rigidity components. International Journal of Machine Tools and Manufacture, 152, https://doi.org/10.1016/j.ijmachtools.2020.103543

© 2020 Elsevier Ltd The machining of low-rigidity components (e.g. thin-walled) with compliant tools presents accuracy challenges as both sides in contact are being deformed. The controlling method presented in this paper enables, for the first time,... Read More about Controlling of compliant grinding for low-rigidity components.

Modeling and Experimental Validation of a Compliant Underactuated Parallel Kinematic Manipulator (2020)
Journal Article
Ma, N., Dong, X., & Axinte, D. (2020). Modeling and Experimental Validation of a Compliant Underactuated Parallel Kinematic Manipulator. IEEE/ASME Transactions on Mechatronics, 25(3), 1409-1421. https://doi.org/10.1109/TMECH.2020.2976140

© 1996-2012 IEEE. Parallel kinematic manipulators (PKMs) are increasingly used in a wide range of industrial applications due to the characteristics of high accuracy and compact structure. However, most of the existing PKMs are structured with heavy... Read More about Modeling and Experimental Validation of a Compliant Underactuated Parallel Kinematic Manipulator.

Study on the characterisation of the PTFE transfer film and the dimensional designing of surface texturing in a dry-lubricated bearing system (2020)
Journal Article
Ding, L., Axinte, D., Butler-Smith, P., & Abdelhafeez, A. (2020). Study on the characterisation of the PTFE transfer film and the dimensional designing of surface texturing in a dry-lubricated bearing system. Wear, 448-449, Article 203238. https://doi.org/10.1016/j.wear.2020.203238

The ability of polytetrafluoroethylene (PTFE) to form tribo-film in dry sliding condition makes it a popular liner material for self-maintenance bearings, such as those in the helicopter main and tail rotors. Nowadays, hard fillers or reinforcing-fib... Read More about Study on the characterisation of the PTFE transfer film and the dimensional designing of surface texturing in a dry-lubricated bearing system.

Closed Loop Force Control of In-Situ Machining Robots using Audible Sound Features (2019)
Journal Article
Alatorre, D., Rabani, A., Axinte, D., & Branson, D. T. (2020). Closed Loop Force Control of In-Situ Machining Robots using Audible Sound Features. Mechanical Systems and Signal Processing, 136, Article 106517. https://doi.org/10.1016/j.ymssp.2019.106517

Detecting, measuring and controlling the forces between cutting tools and machined components is essential in circumstances where direct position control (e.g. depth of cut, feed speed, etc.) is inaccurate and/or impossible. This paper explores the u... Read More about Closed Loop Force Control of In-Situ Machining Robots using Audible Sound Features.

Parametric vibration analysis and validation for a novel portable hexapod machine tool attached to surfaces with unequal stiffness (2019)
Journal Article
Ma, N., Dong, X., Palmer, D., Arreguin, J. C., Liao, Z., Wang, M., & Axinte, D. (2019). Parametric vibration analysis and validation for a novel portable hexapod machine tool attached to surfaces with unequal stiffness. Journal of Manufacturing Processes, 47, 192-201. https://doi.org/10.1016/j.jmapro.2019.10.003

© 2019 The Free-Leg Hexapod (Free-Hex) machine tool is an advancement from the conventional Stewart platform, which has the fixed base platform removed to enable the limbs to be attached to a wider range of surfaces (e.g. non-flat and curved). Howeve... Read More about Parametric vibration analysis and validation for a novel portable hexapod machine tool attached to surfaces with unequal stiffness.

A curious observation of phenomena occurring during lapping/polishing processes (2019)
Journal Article
Yang, Y., Li, H., Liao, Z., & Axinte, D. (2019). A curious observation of phenomena occurring during lapping/polishing processes. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 475(2230), Article 20190304. https://doi.org/10.1098/rspa.2019.0304

We demonstrate that the kinematics of the polishing process is more intriguing than an idealized planetary movement as all the previous studies reported. In reality, the workpiece is pseudo-constrained by the planetary carrier and because of this its... Read More about A curious observation of phenomena occurring during lapping/polishing processes.

Grain refinement mechanism of nickel-based superalloy by severe plastic deformation - Mechanical machining case (2019)
Journal Article
Liao, Z., Polyakov, M., Diaz, O. G., Axinte, D., Mohanty, G., Maeder, X., …Hardy, M. (2019). Grain refinement mechanism of nickel-based superalloy by severe plastic deformation - Mechanical machining case. Acta Materialia, 180, 2-14. https://doi.org/10.1016/j.actamat.2019.08.059

© 2019 Acta Materialia Inc. This paper studied the formation mechanism of white layer of a next generation nickel-based superalloy formed under severe plastic deformation induced by a mechanical material removal process. A graded microstructure of th... Read More about Grain refinement mechanism of nickel-based superalloy by severe plastic deformation - Mechanical machining case.

Machining of biocompatible materials: Recent advances (2019)
Journal Article
Axinte, D., Guo, Y., Liao, Z., Shih, A. J., M’Saoubi, R., & Sugita, N. (2019). Machining of biocompatible materials: Recent advances. CIRP Annals - Manufacturing Technology, 68(2), 629-652. https://doi.org/10.1016/j.cirp.2019.05.003

Machining of biocompatible materials is facing the fundamental challenges due to the specific material properties as well as the application requirements. Firstly, this paper presents a review of various materials which the medical industry needs to... Read More about Machining of biocompatible materials: Recent advances.

State-of-the-art of surface integrity in machining of metal matrix composites (2019)
Journal Article
Liao, Z., Abdelhafeez, A., Li, H., Yang, Y., Diaz, O. G., & Axinte, D. (2019). State-of-the-art of surface integrity in machining of metal matrix composites. International Journal of Machine Tools and Manufacture, 143, 63-91. https://doi.org/10.1016/j.ijmachtools.2019.05.006

Metal matrix composites (MMCs), as advanced substitutes of monolithic metallic materials, are currently getting an increasing trend of research focus as well as industrial applications for demanding applications such as aerospace, nuclear and automot... Read More about State-of-the-art of surface integrity in machining of metal matrix composites.

Geometrical modelling of pulsed laser ablation of high performance metallic alloys (2019)
Journal Article
Cha, D., Axinte, D., & Billingham, J. (2019). Geometrical modelling of pulsed laser ablation of high performance metallic alloys. International Journal of Machine Tools and Manufacture, 141, 78-88. https://doi.org/10.1016/j.ijmachtools.2019.04.004

Modelling of Pulsed Laser Ablation (PLA) for the prediction of complex geometries has generally achieved limited success when aimed at large structures resulting from a high number of overlapped pulses, in particular for the ablation of metallic mate... Read More about Geometrical modelling of pulsed laser ablation of high performance metallic alloys.

Teleoperated, In Situ Repair of an Aeroengine: Overcoming the Internet Latency Hurdle (2019)
Journal Article
Alatorre, D., Nasser, B., Rabani, A., Nagy-Sochacki, A., Dong, X., Axinte, D., & Kell, J. (2019). Teleoperated, In Situ Repair of an Aeroengine: Overcoming the Internet Latency Hurdle. IEEE Robotics and Automation Magazine, 26(1), 10-20. https://doi.org/10.1109/MRA.2018.2881977

There is a substantial financial incentive for in situ repair of industrial assets. However, the need for highly trained mechanics to travel to the location of a repair often results in inconveniently long downtimes. The emergence of robots capable o... Read More about Teleoperated, In Situ Repair of an Aeroengine: Overcoming the Internet Latency Hurdle.

In-situ repair/maintenance with a continuum robotic machine tool in confined space (2019)
Journal Article
Dong, X., Palmer, D., Axinte, D., & Kell, J. (2019). In-situ repair/maintenance with a continuum robotic machine tool in confined space. Journal of Manufacturing Processes, 38, 313-318. https://doi.org/10.1016/j.jmapro.2019.01.024

In-situ repair/maintenance is critical for the key industry sectors (e.g. aerospace, nuclear), which require prompt interventions. The paper reports on a tendon driven continuum robotic machine tool with high manoeuvrability in navigating and machini... Read More about In-situ repair/maintenance with a continuum robotic machine tool in confined space.

The new challenges of machining Ceramic Matrix Composites (CMCs): review of surface integrity (2019)
Journal Article
Gavalda Diaz, O., Garcia Luna, G., Liao, Z., & Axinte, D. (2019). The new challenges of machining Ceramic Matrix Composites (CMCs): review of surface integrity. International Journal of Machine Tools and Manufacture, 139, 24-36. https://doi.org/10.1016/j.ijmachtools.2019.01.003

Ceramic Matrix Composites (CMCs) are currently an increasing material choice for several high value and safety-critical components, fact that has recently originated the need of understanding the effect of several machining processes. Due to the comp... Read More about The new challenges of machining Ceramic Matrix Composites (CMCs): review of surface integrity.

A quick method for evaluating the thresholds of workpiece surface damage in machining (2019)
Journal Article
Xu, D., Liao, Z., Axinte, D., Hardy, M., & M'Saoubi, R. (2019). A quick method for evaluating the thresholds of workpiece surface damage in machining. CIRP Annals - Manufacturing Technology, 68(1), 61-64. https://doi.org/10.1016/j.cirp.2019.03.015

© 2019 This paper proposes a Pendulum-Based Cutting Test (PBCT) methodology which allows quick cutting tests for surface integrity evaluation along with providing cutting energies associated with particular level of workpiece surface damage, this is... Read More about A quick method for evaluating the thresholds of workpiece surface damage in machining.

Design and Development of a Slender Dual-Structure Continuum Robot for In-Situ Aeroengine Repair (2018)
Journal Article
Wang, M., Palmer, D., Dong, X., Alatorre, D., Axinte, D., & Norton, A. (2018). Design and Development of a Slender Dual-Structure Continuum Robot for In-Situ Aeroengine Repair. Proceedings of the ... IEEE/RSJ International Conference on Intelligent Robots and Systems. IEEE/RSJ International Conference on Intelligent Robots and Systems, 5648-5653. https://doi.org/10.1109/IROS.2018.8594142

© 2018 IEEE. In-situ aeroengine maintenance works (e.g. inspection, repair) are highly beneficial as it can significantly reduce currently accepted maintenance cycle which is extensive and costly due to the need to remove engines from the wing of an... Read More about Design and Development of a Slender Dual-Structure Continuum Robot for In-Situ Aeroengine Repair.

On modelling of laser assisted machining: forward and inverse problems for heat placement control (2018)
Journal Article
Shang, Z., Liao, Z., Sarasua, J. A., Billingham, J., & Axinte, D. (2019). On modelling of laser assisted machining: forward and inverse problems for heat placement control. International Journal of Machine Tools and Manufacture, 138, 36-50. https://doi.org/10.1016/j.ijmachtools.2018.12.001

Laser assisted machining (LAM) is one of the most efficient ways to improve the machinability of difficult-to-cut materials (e.g. Nickel-based superalloys). In the conventional LAM process, the laser beam is focused ahead of the cutting area at a fix... Read More about On modelling of laser assisted machining: forward and inverse problems for heat placement control.

On modelling of cutting force and temperature in bone milling (2018)
Journal Article
Liao, Z., Axinte, D., & Gao, D. (2019). On modelling of cutting force and temperature in bone milling. Journal of Materials Processing Technology, 266, 627-638. https://doi.org/10.1016/j.jmatprotec.2018.11.039

© 2018 Elsevier B.V. Cutting force and temperature are the key factors to be controlled during the orthopaedic surgery which could result in mechanical damage and necrosis of the bone tissue. Mechanistic modelling of the bone cutting process is expec... Read More about On modelling of cutting force and temperature in bone milling.

On understanding the microstructure of SiC/SiC Ceramic Matrix Composites (CMCs) after a material removal process (2018)
Journal Article
Gavalda Diaz, O., Axinte, D., Butler-Smith, P., & Novovic, D. (2019). On understanding the microstructure of SiC/SiC Ceramic Matrix Composites (CMCs) after a material removal process. Materials Science and Engineering: A, 743, 1-11. https://doi.org/10.1016/j.msea.2018.11.037

The unique material nature (e.g. hard, brittle, heterogeneous and orthotropic) of SiC-based Ceramic Matrix Composites (CMCs) highly affects the outcomes of machining process by inducing high thermo-mechanical loads during material removal. This can r... Read More about On understanding the microstructure of SiC/SiC Ceramic Matrix Composites (CMCs) after a material removal process.

Robotic Boreblending: The Future of In-Situ Gas Turbine Repair (2018)
Conference Proceeding
Alatorre, D., Nasser, B., Rabani, A., Nagy-Sochacki, A., Dong, X., Axinte, D., & Kell, J. (2018). Robotic Boreblending: The Future of In-Situ Gas Turbine Repair. In 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) (1401-1406). https://doi.org/10.1109/IROS.2018.8594155

© 2018 IEEE. Automation of inspection and repair tasks on complex installations is gaining attention from industries with high-value assets such as aerospace, nuclear and marine. This paper reports on a five degrees of freedom robotic system capable... Read More about Robotic Boreblending: The Future of In-Situ Gas Turbine Repair.

Design and stiffness analysis of A class of 2-DoF tendon driven parallel kinematic mechanism (2018)
Journal Article
Ma, N., Yu, J., Dong, X., & Axinte, D. (2018). Design and stiffness analysis of A class of 2-DoF tendon driven parallel kinematic mechanism. Mechanism and Machine Theory, 129, (202-217). doi:10.1016/j.mechmachtheory.2018.07.023. ISSN 0094-114X

2-DoF Rotational mechanism is increasingly utilized in a large range of industrial applications. However, the structures of most of the existing mechanisms are very complex, which is a significant challenge for building them, due to the tight tolera... Read More about Design and stiffness analysis of A class of 2-DoF tendon driven parallel kinematic mechanism.

Probabilistic modelling of tool unbalance during cutting of hard-heterogeneous materials: a case study in Ceramic Matrix Composites (CMCs) (2018)
Journal Article
Diaz, O. G., Axinte, D. A., & Novovic, D. (2018). Probabilistic modelling of tool unbalance during cutting of hard-heterogeneous materials: a case study in Ceramic Matrix Composites (CMCs). Composites Part B: Engineering, 148, https://doi.org/10.1016/j.compositesb.2018.04.029

Compared to other materials, CMCs display a unique high hardness and heterogeneous nature which are critically reflected during the drilling process where asymmetrical high forces are suffered by the tool, resulting in an unbalance of the drill bit.... Read More about Probabilistic modelling of tool unbalance during cutting of hard-heterogeneous materials: a case study in Ceramic Matrix Composites (CMCs).

On the inverse design of discontinuous abrasive surface to lower friction-induced temperature in grinding: an example of engineered abrasive tools (2018)
Journal Article
Li, H. N., & Axinte, D. (2018). On the inverse design of discontinuous abrasive surface to lower friction-induced temperature in grinding: an example of engineered abrasive tools. International Journal of Machine Tools and Manufacture, 132, https://doi.org/10.1016/j.ijmachtools.2018.04.006

In order to lower temperature, abrasive tools with passive-grinding, e.g. textured, areas (PGA) have been suggested. However, most of the reported PGA geometries (e.g. slots, holes) have been determined based on the engineering intuition (i.e. trial... Read More about On the inverse design of discontinuous abrasive surface to lower friction-induced temperature in grinding: an example of engineered abrasive tools.

Residual stress and adhesion of thermal spray coatings: microscopic view by solidification and crystallisation analysis in the epitaxial CoNiCrAlY single splat (2018)
Journal Article
Fanicchia, F., Maeder, X., Ast, J., Taylor, A., Guo, Y., Polyakov, M., …Axinte, D. (2018). Residual stress and adhesion of thermal spray coatings: microscopic view by solidification and crystallisation analysis in the epitaxial CoNiCrAlY single splat. Materials and Design, 153, https://doi.org/10.1016/j.matdes.2018.04.040

A new approach is proposed to achieve an in-depth understanding of crystallisation, residual stress and adhesion in epitaxial splats obtained by Combustion Flame Spray. Modelling of the fundamental process mechanisms is achieved with the help of expe... Read More about Residual stress and adhesion of thermal spray coatings: microscopic view by solidification and crystallisation analysis in the epitaxial CoNiCrAlY single splat.

On the influence of gamma prime upon machining of advanced nickel based superalloy (2018)
Journal Article
Liao, Z., Axinte, D., Mieszala, M., M’Saoubi, R., Abelhafeez, A., Michler, J., & Hardy, M. (2018). On the influence of gamma prime upon machining of advanced nickel based superalloy. CIRP Annals - Manufacturing Technology, 67(1), 109-112. https://doi.org/10.1016/j.cirp.2018.03.021

Whilst gamma prime (γ’) phase is the strengthening phase in Ni-based superalloys its influence on machining has been seldom investigated. This paper reports for the first time on the effect of γ’ upon machining of Ni-based superalloys when cutting wi... Read More about On the influence of gamma prime upon machining of advanced nickel based superalloy.

A wireless instrumented milling cutter system with embedded PVDF sensors (2018)
Journal Article
Luo, M., Luo, H., Axinte, D., Liu, D., Mei, J., & Liao, Z. (2018). A wireless instrumented milling cutter system with embedded PVDF sensors. Mechanical Systems and Signal Processing, 110, https://doi.org/10.1016/j.ymssp.2018.03.040

Among all the monitoring data which could be captured in a machining process, the cutting forces could convey key knowledge on the conditions of the process. When the machining involves a single cutting edge the relationship between the output forces... Read More about A wireless instrumented milling cutter system with embedded PVDF sensors.

Transient three-dimensional geometrical/thermal modelling of thermal spray: normal-impinging jet and single straight deposits (2018)
Journal Article
Fanicchia, F., & Axinte, D. A. (2018). Transient three-dimensional geometrical/thermal modelling of thermal spray: normal-impinging jet and single straight deposits. International Journal of Heat and Mass Transfer, 122, https://doi.org/10.1016/j.ijheatmasstransfer.2018.01.127

A new time-dependent approach to the geometrical and thermal modelling of the deposit footprint in thermal spray processes is proposed. Based upon a three-dimensional finite-difference numerical technique, the model is composed of two integrated sect... Read More about Transient three-dimensional geometrical/thermal modelling of thermal spray: normal-impinging jet and single straight deposits.

MiRoR—Miniaturized Robotic Systems for Holistic In-Situ Repair and maintenance works in restrained and hazardous environments (2018)
Journal Article
Axinte, D., Dong, X., Palmer, D., Rushworth, A., Guzman, S. C., Olarra, A., …Kell, J. (2018). MiRoR—Miniaturized Robotic Systems for Holistic In-Situ Repair and maintenance works in restrained and hazardous environments. IEEE/ASME Transactions on Mechatronics, 23(2), 978-981. https://doi.org/10.1109/tmech.2018.2800285

This letter presents the novel concept of a miniaturized robotized machine tool, Mini-RoboMach, consisting of a walking hexapod robot and a Slender Continuum Arm. By combining the mobility of the walking robot with the positioning accuracy of the mac... Read More about MiRoR—Miniaturized Robotic Systems for Holistic In-Situ Repair and maintenance works in restrained and hazardous environments.

Investigation of the microstructure change due to phase transition in nanosecond pulsed laser processing of diamond (2017)
Journal Article
Cadot, G. B., Thomas, K., Best, J. P., Taylor, A., Michler, J., Axinte, D., & Billingham, J. (2018). Investigation of the microstructure change due to phase transition in nanosecond pulsed laser processing of diamond. Carbon, 127, 349-365. https://doi.org/10.1016/j.carbon.2017.10.030

Experiments and theory are employed to investigate the thermal damage induced by infra-red nanosecond pulses in atmospheric air into a boron-doped diamond target. Micro-Raman spectroscopy, Transmission Electron Microscopy (TEM) analysis and surface t... Read More about Investigation of the microstructure change due to phase transition in nanosecond pulsed laser processing of diamond.

New models for energy beam machining enable accurate generation of freeforms (2017)
Journal Article
Axinte, D. A., Billingham, J., & Guillerna, A. B. (in press). New models for energy beam machining enable accurate generation of freeforms. Science Advances, 3(9), Article e1701201. https://doi.org/10.1126/sciadv.1701201

We demonstrate that, despite differences in their nature, many energy beam controlled-depth machining processes (e.g. waterjet, pulsed laser, focused ion beam) can be modelled using the same mathematical framework – a partial differential evolution e... Read More about New models for energy beam machining enable accurate generation of freeforms.

Waterjet and laser etching: the nonlinear inverse problem (2017)
Journal Article
Bilbao Guillerna, A., Axinte, D. A., Billingham, J., & Cadot, G. (2017). Waterjet and laser etching: the nonlinear inverse problem. Royal Society Open Science, 4(161031), https://doi.org/10.1098/rsos.161031

In waterjet and laser milling, material is removed from a solid surface in a succession of layers to create a new shape, in a depth-controlled manner. The inverse problem consists of defining the control parameters, in particular, the two-dimensional... Read More about Waterjet and laser etching: the nonlinear inverse problem.

A study of surface swelling caused by graphitisation during pulsed laser ablation of carbon allotrope with high content of sp ³ bounds (2017)
Journal Article
Cadot, G., Billingham, J., & Axinte, D. A. (in press). A study of surface swelling caused by graphitisation during pulsed laser ablation of carbon allotrope with high content of sp ³ bounds. Journal of Physics D: Applied Physics, 50(24), https://doi.org/10.1088/1361-6463/aa70fe

Experiments and theory are employed to investigate the laser ablation of boron doped diamond and tetrahedral amorphous carbon using nanosecond pulses. For a single pulse at low values of fluence, the laser induces a swelling of the surface due to gra... Read More about A study of surface swelling caused by graphitisation during pulsed laser ablation of carbon allotrope with high content of sp ³ bounds.

An approach on capturing the influence of the stochasticity of fibre distributions for modelling the variability of cutting forces in composite materials (2017)
Journal Article
Mei, J., Gavalda Diaz, O., & Axinte, D. A. (2017). An approach on capturing the influence of the stochasticity of fibre distributions for modelling the variability of cutting forces in composite materials. Composites Part B: Engineering, 125, 27-38. doi:10.1016/j.compositesb.2017.05.056

The paper presents a novel model to evaluate the variation of orthogonal cutting forces for randomly distributed unidirectional fibres when cutting composite structures. The distribution analysis of fibre locations is first introduced into this topic... Read More about An approach on capturing the influence of the stochasticity of fibre distributions for modelling the variability of cutting forces in composite materials.

Erosion mechanisms during abrasive waterjet machining: model microstructures and single particle experiments (2017)
Journal Article
Mieszala, M., Lozano Torrubia, P., Axinte, D. A., Schwiedrzik, J., Mischler, S., & Michler, J. (2017). Erosion mechanisms during abrasive waterjet machining: model microstructures and single particle experiments. Journal of Materials Processing Technology, 247, https://doi.org/10.1016/j.jmatprotec.2017.04.003

The erosion mechanisms during abrasive waterjet (AWJ) machining have been examined for a variety of materials. However, no systematic study has considered the effect of the microstructure–property relationship on the erosion mechanisms in metals. In... Read More about Erosion mechanisms during abrasive waterjet machining: model microstructures and single particle experiments.

Towards understanding the cutting and fracture mechanism in ceramic matrix composites (2017)
Journal Article
Gavaldà Díaz, O., & Axinte, D. A. (2017). Towards understanding the cutting and fracture mechanism in ceramic matrix composites. International Journal of Machine Tools and Manufacture, 118-119, 12-25. https://doi.org/10.1016/j.ijmachtools.2017.03.008

Ceramic Matrix Composites (CMCs) are increasingly used for the manufacture of high-value parts for several industries such as the aerospace, nuclear and automotive. Nevertheless, their heterogenic, anisotropic and brittle nature make difficult to cha... Read More about Towards understanding the cutting and fracture mechanism in ceramic matrix composites.

Combustion flame spray of CoNiCrAlY & YSZ coatings (2017)
Journal Article
Fanicchia, F., Axinte, D., Kell, J., McIntyre, R., Brewster, G., & Norton, A. (in press). Combustion flame spray of CoNiCrAlY & YSZ coatings. Surface and Coatings Technology, https://doi.org/10.1016/j.surfcoat.2017.01.070

The properties of CoNiCrAlY and ∼7–8%YSZ layers, used as thermal barrier coatings (TBC) to protect hot gas paths of power generation and aerospace gas turbines, that have been deposited through the Combustion Flame Spray (CFS) process, are assessed a... Read More about Combustion flame spray of CoNiCrAlY & YSZ coatings.

A novel cutting tool design to avoid surface damage in bone machining (2017)
Journal Article
Liao, Z., Axinte, D. A., & Gao, D. (2017). A novel cutting tool design to avoid surface damage in bone machining. International Journal of Machine Tools and Manufacture, 116, 52-59. https://doi.org/10.1016/j.ijmachtools.2017.01.003

With its anisotropic structure, bone machining occurs as shear/serrated cutting mechanisms at low values of uncut chip thickness while at high values it results in fracture cutting mechanisms which lead to significant tissues damages; hence, utilisin... Read More about A novel cutting tool design to avoid surface damage in bone machining.

On a stochastically grain-discretised model for 2D/3D temperature mapping prediction in grinding (2017)
Journal Article
Li, H. N., & Axinte, D. A. (2017). On a stochastically grain-discretised model for 2D/3D temperature mapping prediction in grinding. International Journal of Machine Tools and Manufacture, 116, https://doi.org/10.1016/j.ijmachtools.2017.01.004

Excessive grinding heat might probably lead to unwanted heat damages of workpiece materials, most previous studies on grinding heat/temperature, however, assumed the wheel-workpiece contact zone as a moving band heat source, which might be not approp... Read More about On a stochastically grain-discretised model for 2D/3D temperature mapping prediction in grinding.

A concept for actuating and controlling a leg of a novel walking parallel kinematic machine tool (2016)
Journal Article
Rushworth, A., Axinte, D., Raffles, M., & Cobos-Guzman, S. (2016). A concept for actuating and controlling a leg of a novel walking parallel kinematic machine tool. Mechatronics, 40, https://doi.org/10.1016/j.mechatronics.2016.10.010

The scope of this paper is to present a novel method of actuating the legs of a walking parallel kinematic machine tool (WalkingHex) such that the upper spherical joint can be actively driven while walking and remain a free, passive joint while perfo... Read More about A concept for actuating and controlling a leg of a novel walking parallel kinematic machine tool.

On-the-fly laser machining: a case study for in situ balancing of rotative parts (2016)
Journal Article
Stoesslein, M., Axinte, D. A., & Gilbert, D. (in press). On-the-fly laser machining: a case study for in situ balancing of rotative parts. Journal of Manufacturing Science and Engineering, 139(3), https://doi.org/10.1115/1.4034476

On-the-fly laser machining is defined as a process that aims to generate pockets/patches on target components that are rotated or moved at a constant velocity. Since it is a nonintegrated process (i.e., linear/rotary stage system moving the part is i... Read More about On-the-fly laser machining: a case study for in situ balancing of rotative parts.

Development of a slender continuum robotic system for on-wing inspection/repair of gas turbine engines (2016)
Journal Article
Dong, X., Axinte, D. A., Palmer, D., Cobos, S., Raffles, M., Rabani, A., & Kell, J. (in press). Development of a slender continuum robotic system for on-wing inspection/repair of gas turbine engines. Robotics and Computer-Integrated Manufacturing, 44, https://doi.org/10.1016/j.rcim.2016.09.004

The maintenance works (e.g. inspection, repair) of aero-engines while still attached on the airframes requires a desirable approach since this can significantly shorten both the time and cost of such interventions as the aerospace industry commonly o... Read More about Development of a slender continuum robotic system for on-wing inspection/repair of gas turbine engines.

Pulsed laser ablation as a tool for in-situ balancing of rotating parts (2016)
Journal Article
Stoesslein, M., Axinte, D. A., & Bilbao Guillerna, A. (2016). Pulsed laser ablation as a tool for in-situ balancing of rotating parts. Mechatronics, 38, 54-67. https://doi.org/10.1016/j.mechatronics.2016.06.006

The balancing of complex rotating systems is a challenging task as it may require repetitive (dis)assembly to enable mass adjustments; thus, developing methods for in-situ dynamic balancing of rotatives is regarded as a key technology enabler. In thi... Read More about Pulsed laser ablation as a tool for in-situ balancing of rotating parts.

Continuous trench, pulsed laser ablation for micro-machining applications (2016)
Journal Article
Cadot, G., Axinte, D. A., & Billingham, J. (2016). Continuous trench, pulsed laser ablation for micro-machining applications. International Journal of Machine Tools and Manufacture, 107, https://doi.org/10.1016/j.ijmachtools.2016.04.011

The generation of controlled 3D micro-features by pulsed laser ablation in various materials requires an understanding of the material's temporal and energetic response to the laser beam. The key enabler of pulsed laser ablation for micro-machining i... Read More about Continuous trench, pulsed laser ablation for micro-machining applications.

Stochastic simplified modelling of abrasive waterjet footprints (2016)
Journal Article
Torrubia, P. L., Billingham, J., & Axinte, D. A. (2016). Stochastic simplified modelling of abrasive waterjet footprints. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 472(2186), https://doi.org/10.1098/rspa.2015.0836

Abrasive micro-waterjet processing is a non-conventional machining method that can be used to manufacture complex shapes in difficult-to-cut materials. Predicting the effect of the jet on the surface for a given set of machi... Read More about Stochastic simplified modelling of abrasive waterjet footprints.

A Novel Continuum Robot Using Twin-Pivot Compliant Joints: Design, Modeling, and Validation (2015)
Journal Article
Dong, X., Raffles, M., Cobos-Guzman, S., Axinte, D., & Kell, J. (2016). A Novel Continuum Robot Using Twin-Pivot Compliant Joints: Design, Modeling, and Validation. Journal of Mechanisms and Robotics, 8(2), Article 021010. https://doi.org/10.1115/1.4031340

A twisting problem is identified from the central located flexible backbone continuum robot. Regarding this problem, a design solution is required to mechanically minimize this twisting angle along the backbone. Further, the error caused by the kinem... Read More about A Novel Continuum Robot Using Twin-Pivot Compliant Joints: Design, Modeling, and Validation.

The allotropic transformation of polycrystalline cubic boron nitride structures resulting from the thermal effects of pulsed laser ablation (2015)
Journal Article
Axinte, D. A., Butler-Smith, P. W., Pacella, M., Pacella, M., Fay, M. W., Butler-Smith, P. W., & Axinte, D. A. (2015). The allotropic transformation of polycrystalline cubic boron nitride structures resulting from the thermal effects of pulsed laser ablation. Diamond and Related Materials, 59, 62-68. https://doi.org/10.1016/j.diamond.2015.09.009

© 2015 Published by Elsevier B.V. Cubic boron nitride, being only second to diamond for its hardness and possessing superior thermal stability is suitable for a wide range of applications. In particular, the versatility of this material and its polyc... Read More about The allotropic transformation of polycrystalline cubic boron nitride structures resulting from the thermal effects of pulsed laser ablation.

The linear inverse problem in energy beam processing with an application to abrasive waterjet machining (2015)
Journal Article
Axinte, D., Bilbao Guillerna, A., & Billingham, J. (2015). The linear inverse problem in energy beam processing with an application to abrasive waterjet machining. International Journal of Machine Tools and Manufacture, 99, 34-42. https://doi.org/10.1016/j.ijmachtools.2015.09.006

© 2015 The Authors. Published by Elsevier Ltd. The linear inverse problem for energy beam processing, in which a desired etched profile is known and a trajectory of the beam that will create it must be found, is studied in this paper. As an example,... Read More about The linear inverse problem in energy beam processing with an application to abrasive waterjet machining.

On monitoring chip formation, penetration depth and cutting malfunctions in bone micro-drilling via acoustic emission (2015)
Journal Article
Liao, Z., & Axinte, D. A. (2016). On monitoring chip formation, penetration depth and cutting malfunctions in bone micro-drilling via acoustic emission. Journal of Materials Processing Technology, 229, 82-93. https://doi.org/10.1016/j.jmatprotec.2015.09.016

Micro-drilling of bone is increasing demanded in many kinds of surgery operations recently. One of the mainly challenges in this procedure is to control the drilling process and avoid the surrounding tissue damage. Monitoring the cutting condition is... Read More about On monitoring chip formation, penetration depth and cutting malfunctions in bone micro-drilling via acoustic emission.

Real-time method for tip following navigation of continuum snake arm robots (2014)
Journal Article
Palmer, D., Cobos-Guzman, S., & Axinte, D. (2014). Real-time method for tip following navigation of continuum snake arm robots. Robotics and Autonomous Systems, 62(10), 1478-1485. https://doi.org/10.1016/j.robot.2014.05.013

This paper presents a novel technique for the navigation of a snake arm robot, for real-time inspections in complex and constrained environments. These kinds of manipulators rely on redundancy, making the inverse kinematics very difficult. Therefore,... Read More about Real-time method for tip following navigation of continuum snake arm robots.

Vibration suppression and coupled interaction study in milling of thin wall casings in the presence of tuned mass dampers (2013)
Journal Article
Kolluru, K. V., Axinte, D. A., Raffles, M. H., & Becker, A. A. (2014). Vibration suppression and coupled interaction study in milling of thin wall casings in the presence of tuned mass dampers. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 228(6), https://doi.org/10.1177/0954405413508769

Damping of machining vibrations in thin-wall structures is an important area of research due to the ever-increasing use of lightweight structures such as jet engine casings. Published literature has focussed on passive/active damping solutions for op... Read More about Vibration suppression and coupled interaction study in milling of thin wall casings in the presence of tuned mass dampers.