All Outputs (37)

Anisotropic Icephobic Mechanisms of Textured Surface: Barrier or Accelerator? (2024)
Journal Article
Yang, D., Zheng, Y., Li, J., Clare, A. T., Choi, K.-S., & Hou, X. (2024). Anisotropic Icephobic Mechanisms of Textured Surface: Barrier or Accelerator?. ACS Applied Materials and Interfaces, https://doi.org/10.1021/acsami.4c08004

Icing has been seen as an economic and safety hazard due to its threats to aviation, power generation, offshore platforms, etc., where passive icephobic surfaces with a surface texturing design have the potential to address this problem. However, the... Read More about Anisotropic Icephobic Mechanisms of Textured Surface: Barrier or Accelerator?.

Driving next generation manufacturing through advanced metals characterisation capability (2024)
Journal Article
Clare, A., Seita, M., Speidel, A., Collins, P., & Clark, M. (2024). Driving next generation manufacturing through advanced metals characterisation capability. Scripta Materialia, 246, Article 116009. https://doi.org/10.1016/j.scriptamat.2024.116009

Understanding the effects of manufacturing methods upon materials has driven constant innovation for over 300 years. While our ability to fabricate metallurgical wonders extends into the annals of history our ability to understand the scientific prin... Read More about Driving next generation manufacturing through advanced metals characterisation capability.

Phase change surfaces with porous metallic structures for long-term anti/de-icing application (2024)
Journal Article
Yang, D., Bao, R., Clare, A. T., Choi, K., & Hou, X. (2024). Phase change surfaces with porous metallic structures for long-term anti/de-icing application. Journal of Colloid and Interface Science, 660, 136-146. https://doi.org/10.1016/j.jcis.2024.01.091

Hypothesis Ice mitigation has received increasing attention due to the severe safety and economic threats of icing hazards to modern industries. Slippery icephobic surface is a potential ice mitigation approach due to its ultra-low ice adhesion stre... Read More about Phase change surfaces with porous metallic structures for long-term anti/de-icing application.

Direct Writing Unclonable Watermarks with an Electrochemical Jet (2022)
Journal Article
Speidel, A., Bisterov, I., & Clare, A. T. (2022). Direct Writing Unclonable Watermarks with an Electrochemical Jet. Advanced Functional Materials, 32(51), Article 2208116. https://doi.org/10.1002/adfm.202208116

Counterfeit parts result in significant losses per annum and are often dangerous, therefore they represent a serious concern for manufacturers and end users alike. Easily written but unclonable watermarks undermine the proposition of the counterfeite... Read More about Direct Writing Unclonable Watermarks with an Electrochemical Jet.

Hydrophobically/oleophilically guarded powder metallurgical structures and liquid impregnation for ice mitigation (2022)
Journal Article
Yang, D., Bao, R., Choi, K. S., Clare, A. T., & Hou, X. (2022). Hydrophobically/oleophilically guarded powder metallurgical structures and liquid impregnation for ice mitigation. Chemical Engineering Journal, 446, Article 137115. https://doi.org/10.1016/j.cej.2022.137115

Icing hazards often pose operational and safety challenges. Various surface and coating approaches have been attempted for ice mitigation purposes, but the durability remains an outstanding issue. Inspired by traditional powder metallurgy and slipper... Read More about Hydrophobically/oleophilically guarded powder metallurgical structures and liquid impregnation for ice mitigation.

Stochastic design for additive manufacture of true biomimetic populations (2022)
Journal Article
Groth, J., Magnini, M., Tuck, C., & Clare, A. (2022). Stochastic design for additive manufacture of true biomimetic populations. Additive Manufacturing, 55, Article 102739. https://doi.org/10.1016/j.addma.2022.102739

Current biomimetic designs do not incorporate naturally occurring variance. Instead, the same unit cell is repeatedly copied and pasted to create a pattern. Existing stochastic designs use the same randomness for all parameters. However, nature teach... Read More about Stochastic design for additive manufacture of true biomimetic populations.

On the thermomechanical aging of LPBF alloy 718 (2022)
Journal Article
Sanchez, S., Gaspard, G., Hyde, C. J., Ashcroft, I. A., Ravi, G. A., & Clare, A. T. (2022). On the thermomechanical aging of LPBF alloy 718. Materials Science and Engineering: A, 841, Article 142998. https://doi.org/10.1016/j.msea.2022.142998

Heat treatment of products post additive manufacture are considered hugely important since the metallurgical condition post process is suboptimal. In the case of nickel-based superalloys, grain size, precipitate distribution and precipitate size are... Read More about On the thermomechanical aging of LPBF alloy 718.

Five simple tools for stochastic lattice creation (2021)
Journal Article
Groth, J. H., Anderson, C., Magnini, M., Tuck, C., & Clare, A. (2022). Five simple tools for stochastic lattice creation. Additive Manufacturing, 49, Article 102488. https://doi.org/10.1016/j.addma.2021.102488

Lattices are increasingly used in engineering applications. They can reduce weight in aircraft components, increase the efficiency of heat exchangers and are used as medical implants. Typically a regular and graded lattice, where the unit cells are i... Read More about Five simple tools for stochastic lattice creation.

The interaction of volatile metal coatings during the laser powder bed fusion of copper (2021)
Journal Article
Speidel, A., Wadge, M. D., Gargalis, L., Cooper, T. P., Reynolds, W., Grant, D., …Murray, J. W. (2022). The interaction of volatile metal coatings during the laser powder bed fusion of copper. Journal of Materials Processing Technology, 299, Article 117332. https://doi.org/10.1016/j.jmatprotec.2021.117332

The high optical reflectance of Cu at near-infrared wavelengths narrows the process window to fabricate Cu parts by laser powder bed fusion (LPBF). Coating powders with optically absorptive materials has been investigated to improve processability an... Read More about The interaction of volatile metal coatings during the laser powder bed fusion of copper.

Powder Bed Fusion of nickel-based superalloys: A review (2021)
Journal Article
Sanchez, S., Xu, Z., Smith, P., Gaspard, G., Hyde, C. J., Ashcroft, I. A., …Clare, A. T. (2021). Powder Bed Fusion of nickel-based superalloys: A review. International Journal of Machine Tools and Manufacture, 165, Article 103729. https://doi.org/10.1016/j.ijmachtools.2021.103729

Powder Bed Fusion (PBF) techniques constitute a family of Additive Manufacturing (AM) processes, which are characterised by high design flexibility and no tooling requirement. This makes PBF techniques attractive to many modern manufacturing sectors... Read More about Powder Bed Fusion of nickel-based superalloys: A review.

Multi-laser scan strategies for enhancing creep performance in LPBF (2021)
Journal Article
Sanchez, S., Hyde, C. J., Clare, A. T., & Ashcroft, I. A. (2021). Multi-laser scan strategies for enhancing creep performance in LPBF. Additive Manufacturing, 41, Article 101948. https://doi.org/10.1016/j.addma.2021.101948

Laser Powder Bed Fusion (LPBF) enables complex structures to be manufactured, which is attractive to industries where augmented service performance can be achieved. However, the build time of LPBF can be slower than traditional manufacturing processe... Read More about Multi-laser scan strategies for enhancing creep performance in LPBF.

The creep behaviour of nickel alloy 718 manufactured by laser powder bed fusion (2021)
Journal Article
Sanchez, S., Gaspard, G., Hyde, C., Ashcroft, I., Ravi, G., & Clare, A. (2021). The creep behaviour of nickel alloy 718 manufactured by laser powder bed fusion. Materials and Design, 204, Article 109647. https://doi.org/10.1016/j.matdes.2021.109647

Components manufactured by laser powder bed fusion (LPBF) are limited by their performance for use in critical applications. LPBF materials have microstructural defects, such as suboptimal grain size and morphology, and macroscale anomalies, such as... Read More about The creep behaviour of nickel alloy 718 manufactured by laser powder bed fusion.

Design of a resonant Luneburg lens for surface acoustic waves (2020)
Journal Article
Fuentes-Domínguez, R., Yao, M., Colombi, A., Dryburgh, P., Pieris, D., Jackson-Crisp, A., …Clark, M. (2021). Design of a resonant Luneburg lens for surface acoustic waves. Ultrasonics, 111, Article 106306. https://doi.org/10.1016/j.ultras.2020.106306

© 2020 In this work we employ additive manufacturing to print a circular array of micropillars on an aluminium slab turning its top surface into a graded index metasurface for surface acoustic waves (SAW). The graded metasurface reproduces a Luneburg... Read More about Design of a resonant Luneburg lens for surface acoustic waves.

Tailored elastic surface to body wave Umklapp conversion (2020)
Journal Article
Chaplain, G. J., De Ponti, J. M., Colombi, A., Fuentes-Dominguez, R., Dryburg, P., Pieris, D., …Craster, R. V. (2020). Tailored elastic surface to body wave Umklapp conversion. Nature Communications, 11(1), Article 3267. https://doi.org/10.1038/s41467-020-17021-x

© 2020, The Author(s). Elastic waves guided along surfaces dominate applications in geophysics, ultrasonic inspection, mechanical vibration, and surface acoustic wave devices; precise manipulation of surface Rayleigh waves and their coupling with pol... Read More about Tailored elastic surface to body wave Umklapp conversion.

Performance Verification of a Flexible Vibration Monitoring System (2020)
Journal Article
Bointon, P., Todhunter, L., Clare, A., & Leach, R. (2020). Performance Verification of a Flexible Vibration Monitoring System. Machines, 8(1), 3. https://doi.org/10.3390/machines8010003

The performance of measurement or manufacturing systems in high-precision applications is dependent upon the dynamics of the system, as vibration can be a significant contributor to the measurement uncertainty and process variability. Technologies ma... Read More about Performance Verification of a Flexible Vibration Monitoring System.

Laser Induced Phased Arrays (LIPA) to detect nested features in additively manufactured components (2019)
Journal Article
Pieris, D., Stratoudaki, T., Javadi, Y., Lukacs, P., Catchpole-Smith, S., Wilcox, P. D., …Clark, M. (2020). Laser Induced Phased Arrays (LIPA) to detect nested features in additively manufactured components. Materials and Design, 187, Article 108412. https://doi.org/10.1016/j.matdes.2019.108412

© 2019 The Authors. Additive manufacturing (AM) has the capability to build complex parts with internal features, which have many advantages over conventionally manufactured parts. This makes AM an alternative for advanced manufacturing sectors. AM c... Read More about Laser Induced Phased Arrays (LIPA) to detect nested features in additively manufactured components.

A novel numerical method to predict the transient track geometry and thermomechanical effects through in-situ modification of the process parameters in Direct Energy Deposition (2019)
Journal Article
Walker, T. R., Bennett, C. J., Lee, T. L., & Clare, A. T. (2020). A novel numerical method to predict the transient track geometry and thermomechanical effects through in-situ modification of the process parameters in Direct Energy Deposition. Finite Elements in Analysis and Design, 169, Article 103347. https://doi.org/10.1016/j.finel.2019.103347

© 2019 Elsevier B.V. Direct Energy Deposition (DED) is being widely used to repair damaged components to increase service life and economical operation. Process parameters including laser power, traverse speed and the mass flowrate of the feedstock m... Read More about A novel numerical method to predict the transient track geometry and thermomechanical effects through in-situ modification of the process parameters in Direct Energy Deposition.

Spatially resolved acoustic spectroscopy (SRAS) microstructural imaging (2019)
Presentation / Conference Contribution
Clark, M., Clare, A., Dryburgh, P., Li, W., Patel, R., Pieris, D., …Smith, R. (2019). Spatially resolved acoustic spectroscopy (SRAS) microstructural imaging. AIP Conference Proceedings, 2102, Article 020001. https://doi.org/10.1063/1.5099705

© 2019 Author(s). Spatially resolved acoustic spectroscopy (SRAS) is an acoustic microscopy technique that can image the microstructure and measure the crystallographic orientation of grains or crystals in the material. It works by measuring the velo... Read More about Spatially resolved acoustic spectroscopy (SRAS) microstructural imaging.

A validated analytical-numerical modelling strategy to predict residual stresses in single-track laser deposited IN718 (2018)
Journal Article
Walker, T., Bennett, C., Lee, T., & Clare, A. (2019). A validated analytical-numerical modelling strategy to predict residual stresses in single-track laser deposited IN718. International Journal of Mechanical Sciences, 151, 609-621. https://doi.org/10.1016/j.ijmecsci.2018.12.004

Direct Energy Deposition (DED) is being increasingly used to repair high value components that have been damaged in-service. The uptake of DED and laser cladding operations for repair is inhibited by accurate modelling techniques. Often the repair pr... Read More about A validated analytical-numerical modelling strategy to predict residual stresses in single-track laser deposited IN718.

Precision enhanced electrochemical jet processing (2018)
Journal Article
Clare, A. T., Speidel, A., Bisterov, I., Jackson-Crisp, A., & Mitchell-Smith, J. (2018). Precision enhanced electrochemical jet processing. CIRP Annals - Manufacturing Technology, 67(1), 205-208. https://doi.org/10.1016/j.cirp.2018.04.086

Through electro-physical modification of the electrode gap in electrochemical jet techniques, precision has been shown to be greatly increased. Repeatable kerf widths approaching the diameter of the nozzle are demonstrated and the individual contribu... Read More about Precision enhanced electrochemical jet processing.