All Outputs (85)

Using cohesive zone models with digital image correlation to obtain a mixed mode I/II fracture envelope of a tough epoxy (2023)
Journal Article

This work describes a method in which the digital image correlation (DIC) method and finite element analysis (FEA) were used to create a quasi-static mixed-mode fracture envelope for bonded joints consisting of 2024-T3 Al adherends and a tough struct... Read More about Using cohesive zone models with digital image correlation to obtain a mixed mode I/II fracture envelope of a tough epoxy.

Creep Characterization of Inconel 718 Lattice Metamaterials Manufactured by Laser Powder Bed Fusion (2023)
Journal Article

Lattice metamaterials manufactured by laser powder bed fusion (LPBF) are limited by their performance for critical applications. LPBF materials have microstructural or macroscale anomalies, such as suboptimal grain size, morphology, and lack of fusio... Read More about Creep Characterization of Inconel 718 Lattice Metamaterials Manufactured by Laser Powder Bed Fusion.

Amorphous-crystalline nanostructured Nd-Fe-B permanent magnets using laser powder bed fusion: Metallurgy and magnetic properties (2023)
Journal Article

Laser powder-bed fusion (PBF-LB), a class of additive manufacturing (AM), has attracted wide interest in the production of Nd-Fe-B permanent magnets, benefiting from the minimisation of waste of rare-earth elements and the post-processing requirement... Read More about Amorphous-crystalline nanostructured Nd-Fe-B permanent magnets using laser powder bed fusion: Metallurgy and magnetic properties.

The impact of the risk of build failure on energy consumption in additive manufacturing (2022)
Journal Article

Additive manufacturing (AM), also known as 3D printing, is associated with significant promise in the manufacturing sector. However, it has been shown that the risk of build failure has a substantial impact on the costs of AM and that this results fr... Read More about The impact of the risk of build failure on energy consumption in additive manufacturing.

Exploiting Generative Design for Multi-Material Inkjet 3D Printed Cell Instructive, Bacterial Biofilm Resistant Composites (2022)
Working Paper

As our understanding of disease grows, it is becoming established that treatment needs to be personalized and targeted to the needs of the individual. In this paper we show that multi-material inkjet-based 3D printing, when backed with generative des... Read More about Exploiting Generative Design for Multi-Material Inkjet 3D Printed Cell Instructive, Bacterial Biofilm Resistant Composites.

From impact to solidification in drop-on-demand metal additive manufacturing using MetalJet (2022)
Journal Article

Drop-on-demand metal jetting is a promising additive manufacturing (AM) technology that is gaining interest due to its capability to directly print complex single and multi-material components at high resolutions. It also has key advantages over othe... Read More about From impact to solidification in drop-on-demand metal additive manufacturing using MetalJet.

On the thermomechanical aging of LPBF alloy 718 (2022)
Journal Article

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.

Continuous fibre composite 3D printing with pultruded carbon/PA6 commingled fibres: Processing and mechanical properties (2022)
Journal Article

Continuous Fibre composite 3D printing (CF-3DP) technology is a newly developed Additive Manufacturing (AM) process. By employing continuous fibre as a reinforcement for the composite, the mechanical properties of the 3D printed part can be significa... Read More about Continuous fibre composite 3D printing with pultruded carbon/PA6 commingled fibres: Processing and mechanical properties.

Reactive Jetting of High Viscosity Nanocomposites for Dielectric Elastomer Actuation (2022)
Journal Article

The layer-by-layer nature of additive manufacturing is well matched to the layer construction of stacked dielectric actuators, with inkjet printing offering a unique opportunity due to its droplet-on-demand capability, suitable for multi-material pro... Read More about Reactive Jetting of High Viscosity Nanocomposites for Dielectric Elastomer Actuation.

FLatt Pack: A research-focussed lattice design program (2021)
Journal Article

Lattice structures are an important aspect of design for additive manufacturing (DfAM). They enable significant component light-weighting and the tailoring of a wide range of physical responses; mechanical, thermal, acoustic, etc. In turn, lattice de... Read More about FLatt Pack: A research-focussed lattice design program.

Insights into drop-on-demand metal additive manufacturing through an integrated experimental and computational study (2021)
Journal Article

Drop-on-demand metal jetting is a recent additive manufacturing technology opening new opportunities for the fabrication of complex single and multi-metal components. MetalJet, the Océ developed technique used in this study, has the capacity to produ... Read More about Insights into drop-on-demand metal additive manufacturing through an integrated experimental and computational study.

Low thermal expansion machine frame designs using lattice structures (2021)
Journal Article

In this work, we investigated tessellating cellular (or lattice) structures for use in a low thermal expansion machine frame. We proposed a concept for a lattice structure with tailorable effective coefficient of thermal expansion (CTE). The design i... Read More about Low thermal expansion machine frame designs using lattice structures.

Process-structure-property relationships in laser powder bed fusion of permanent magnetic Nd-Fe-B (2021)
Journal Article

Laser powder-bed fusion (L-PBF), as an additive manufacturing (AM) technique, has demonstrated excellent capabilities in achieving degrees of freedom in manufacturing that are otherwise unattainable. The potential of combining Nd-Fe-B as a permanent... Read More about Process-structure-property relationships in laser powder bed fusion of permanent magnetic Nd-Fe-B.

Material extrusion additive manufacturing of continuous fibre reinforced polymer matrix composites: A review and outlook (2021)
Journal Article

In recent years, three-dimensional printing (3DP) technology has developed to include composite materials. Most of the development to date in this area has involved particulate or short fibre reinforced composites, whilst continuous fibre printing re... Read More about Material extrusion additive manufacturing of continuous fibre reinforced polymer matrix composites: A review and outlook.

Material extrusion additive manufacturing of continuous fibre reinforced polymer matrix composites: A review and outlook (2021)
Journal Article

In recent years, three-dimensional printing (3DP) technology has developed to include composite materials. Most of the development to date in this area has involved particulate or short fibre reinforced composites, whilst continuous fibre printing re... Read More about Material extrusion additive manufacturing of continuous fibre reinforced polymer matrix composites: A review and outlook.

Localization and coalescence of imperfect planar FCC truss lattice metamaterials under multiaxial loadings (2021)
Journal Article

This study investigates the effect of stress triaxiality on the failure mechanisms of an-isotropic perfect and imperfect planar FCC (Face Centred Cubic) truss lattice metamaterials. Three types of imperfection have been considered in the numerical mo... Read More about Localization and coalescence of imperfect planar FCC truss lattice metamaterials under multiaxial loadings.

Modelling the influence of UV curing strategies for optimisation of inkjet based 3D printing (2021)
Journal Article

A predictive model is developed to assist in the design and manufacture of structures by inkjet based 3D printing (IJ3DP)/additive manufacturing. IJ3DP often exploits photopolymerisation to rapidly convert a photoreactive liquid ink into a solid prod... Read More about Modelling the influence of UV curing strategies for optimisation of inkjet based 3D printing.

Exploiting Generative Design for 3D Printing of Bacterial Biofilm Resistant Composite Devices (2021)
Journal Article

As the understanding of disease grows, so does the opportunity for personalization of therapies targeted to the needs of the individual. To bring about a step change in the personalization of medical devices it is shown that multi-material inkjet-bas... Read More about Exploiting Generative Design for 3D Printing of Bacterial Biofilm Resistant Composite Devices.

Powder Bed Fusion of nickel-based superalloys: A review (2021)
Journal Article

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

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.