Martin Leary
YOU?
Author Swipe
View article: Engineering hollow-strut lattice nodes for enhanced load-bearing with cubic symmetry
Engineering hollow-strut lattice nodes for enhanced load-bearing with cubic symmetry Open
View article: A conclusive model to predict PBF-LB of AlSi10Mg thin-walled structures: digitally reconstructed models guided by both artificial neural networks and computational fluid dynamics
A conclusive model to predict PBF-LB of AlSi10Mg thin-walled structures: digitally reconstructed models guided by both artificial neural networks and computational fluid dynamics Open
Metal thin-walled structures (TWS) are critical to all engineering industries, however, their complex manufacture has prevented large-scale adoption. The additive manufacturing process of laser-based powder bed fusion (PBF-LB) can produce …
View article: Evaluation of mechanical properties and energy absorption of Ti-6Al-4V gyroid structures produced by PBF-LB
Evaluation of mechanical properties and energy absorption of Ti-6Al-4V gyroid structures produced by PBF-LB Open
This research investigates the effect of local geometry (size, number of cells, thickness, isovalue) and heat treatment on the observed modulus and strength of Ti-6Al-4V gyroid-based cellular structures under compressive loading. Manufactu…
View article: Enhancing the energy absorption of AlSi10Mg thin-walled tubes with internal lattice structure through laser powder bed fusion
Enhancing the energy absorption of AlSi10Mg thin-walled tubes with internal lattice structure through laser powder bed fusion Open
Heat-treated aluminium thin-walled tubes combine efficient energy absorptive properties with low weight, making them common engineering structures for impact mitigation. Recently, the integration of foam cores within these structures furth…
View article: Effect of powder characteristics on layer density, defects, and tensile properties of Ti-6Al-4V via laser powder bed fusion: establishing benchmark parameters for quality
Effect of powder characteristics on layer density, defects, and tensile properties of Ti-6Al-4V via laser powder bed fusion: establishing benchmark parameters for quality Open
Feedstock powder characteristics affect the quality of metal parts manufactured by laser-based powder bed fusion of metals (PBF-LB/M). However, identifying the decisive powder characteristics remains challenging due to the complexity of th…
View article: Thin-plate lattices in AlSi10Mg alloy via laser additive manufacturing: Highly enhanced specific strength and recovery
Thin-plate lattices in AlSi10Mg alloy via laser additive manufacturing: Highly enhanced specific strength and recovery Open
View article: Tailoring Nodal Designs in Hollow-Strut Lattice Metamaterials for Enhanced Load-Bearing Capacity with Cubic Symmetry
Tailoring Nodal Designs in Hollow-Strut Lattice Metamaterials for Enhanced Load-Bearing Capacity with Cubic Symmetry Open
View article: A hybrid continuum-beam optimisation model: the virtual extensometer method for efficient optimisation of lattice materials
A hybrid continuum-beam optimisation model: the virtual extensometer method for efficient optimisation of lattice materials Open
Additive manufacturing (AM) enables the fabrication of complex lattice structures that are infeasible with traditional manufacturing processes. These structures are typically implemented with constant cross-sectional strut elements; this s…
View article: Design and destructive testing of high-value hook fabricated by laser metal deposition
Design and destructive testing of high-value hook fabricated by laser metal deposition Open
Laser metal deposition (LMD) provides an emerging opportunity for the economic fabrication of high-value components at low production volume. Despite the technical and commercial opportunities associated with LMD, there exist potential fai…
View article: Ti–6Al–4V hybrid-strut lattice metamaterials: A design strategy for improved performance
Ti–6Al–4V hybrid-strut lattice metamaterials: A design strategy for improved performance Open
Metal hollow-strut lattices manipulate the strut and node sections to achieve higher strength. Although these metamaterials have recently surpassed the structural efficiency of conventional solid-strut lattices of comparable density and to…
View article: Multi Jet Fusion (MJF) of polymeric components: A review of process, properties and opportunities
Multi Jet Fusion (MJF) of polymeric components: A review of process, properties and opportunities Open
Multi Jet Fusion (MJF) is a high-speed Powder Bed Fusion (PBF) process that stands to revolutionize the production rate of polymeric Additive Manufacturing (AM). In this review, MJF operational concepts are explained and powder feedstock f…
View article: Finite element analysis of patient-specific additive-manufactured implants
Finite element analysis of patient-specific additive-manufactured implants Open
Introduction: Bone tumors, characterized by diverse locations and shapes, often necessitate surgical excision followed by custom implant placement to facilitate targeted bone reconstruction. Leveraging additive manufacturing, patient-speci…
View article: Fixation strength of conformal additively manufactured Ti6Al4V implants in large animal model
Fixation strength of conformal additively manufactured Ti6Al4V implants in large animal model Open
Additive manufacturing (AM) enables patient-specific lattice-based implants with porosity engineered to encourage bone ingrowth and to mimic bone’s mechanical stiffness. The strength of the bone-implant interface can be measured through a …
View article: The impact of surface orientation on surface roughness and fatigue life of laser-based powder bed fusion Ti-6Al-4V
The impact of surface orientation on surface roughness and fatigue life of laser-based powder bed fusion Ti-6Al-4V Open
As-manufactured surface roughness is detrimental to the fatigue life of laser-based powder bed fusion (LB-PBF) Ti-6Al-4V components. Despite the criticality of surface roughness to the fatigue failure mode, the relevant test data is incomp…
View article: Effect of boron addition on the microstructure and wear resistance of laser beam directed energy deposited high chromium white irons
Effect of boron addition on the microstructure and wear resistance of laser beam directed energy deposited high chromium white irons Open
There is a demand for alloys produced by laser beam directed laser deposition (DED-LB) with better wear resistance than the traditionally manufactured alloys. In DED-LB of high chromium white iron (HCWI), the refined carbides lead to infer…
View article: Prediction of absorptivity in Multi-Jet Fusion manufactured polypropylene structures through laser flash and corrected porosity method
Prediction of absorptivity in Multi-Jet Fusion manufactured polypropylene structures through laser flash and corrected porosity method Open
For the first time in the literature, this study validates the absorption phenomena in Multi-Jet Fusion (MJF) printed polypropylene (PP) structures through Laser Flash (LFA) and Corrected Porosity (CP) methods. The influence of process par…
View article: AlSi10Mg hollow-strut lattice metamaterials by laser powder bed fusion
AlSi10Mg hollow-strut lattice metamaterials by laser powder bed fusion Open
Intricate submillimetre scale AlSi10Mg hollow-strut lattices can be fabricated by LPBF, and observe yield strength superior to metal solid-strut lattices.
View article: Titanium Multi‐Topology Metamaterials with Exceptional Strength
Titanium Multi‐Topology Metamaterials with Exceptional Strength Open
Additively manufactured metamaterials are architectured cellular materials that can be engineered through structural innovations to achieve unusual mechanical and multifunctional properties. Among these, hollow‐strut lattice (HSL) metamate…
View article: Reducing the prosthesis modulus by inclusion of an open space lattice improves osteogenic response in a sheep model of extraarticular defect
Reducing the prosthesis modulus by inclusion of an open space lattice improves osteogenic response in a sheep model of extraarticular defect Open
Introduction: Stress shielding is a common complication following endoprosthetic reconstruction surgery. The resulting periprosthetic osteopenia often manifests as catastrophic fractures and can significantly limit future treatment options…
View article: Additively Manufactured Functionally Graded Lattices: Design, Mechanical Response, Deformation Behavior, Applications, and Insights
Additively Manufactured Functionally Graded Lattices: Design, Mechanical Response, Deformation Behavior, Applications, and Insights Open
Flora and fauna have evolved to distribute their structural mass efficiently in response to their environment. Inspired by this structural efficiency, functionally graded lattices (FGL) are an emerging subset of non-uniform lattices that e…
View article: Investigating mechanical properties of additively manufactured multimaterial gyroids: The effect of proportion, scale and shape
Investigating mechanical properties of additively manufactured multimaterial gyroids: The effect of proportion, scale and shape Open
Many naturally occurring materials exhibit repeating hierarchical structures, comprising of multiple constituent materials that combine to form a composite material. In this work an additive manufacturing technology known as Material Jetti…
View article: Generative design of space frames for additive manufacturing technology
Generative design of space frames for additive manufacturing technology Open
A generative design methodology is presented that solves for minimum volume and compliance space-frame systems, with consideration of stress and buckling constraints. The solution space is explored using formal topology optimisation routin…
View article: Ti-6Al-4V hollow-strut lattice materials by laser powder bed fusion
Ti-6Al-4V hollow-strut lattice materials by laser powder bed fusion Open
Hollow-strut metal lattices are an emerging class of cellular metallic materials. However, their mechanical properties at relative densities (ρRD) higher than 10% are largely unknown because conventional manufacturing methods are ill-equip…
View article: Numerical and experimental investigations on manufacturability of Al–Si–10Mg thin wall structures made by LB-PBF
Numerical and experimental investigations on manufacturability of Al–Si–10Mg thin wall structures made by LB-PBF Open
View article: Growth of marine biofilms and macrofouling organisms on biocide-infused, 3D-printed thermoplastics
Growth of marine biofilms and macrofouling organisms on biocide-infused, 3D-printed thermoplastics Open
3D printing has become widely used to rapidly prototype and manufacture novel or bespoke objects or replacement components in a wide range of marine industries, engineering, and research. 3D-printed objects are subject to marine biofouling…
View article: Fatigue test data applicability for additive manufacture: A method for quantifying the uncertainty of AM fatigue data
Fatigue test data applicability for additive manufacture: A method for quantifying the uncertainty of AM fatigue data Open
Additive manufactured (AM) components are increasingly being applied to fatigue-limited applications and are often safety–critical, necessitating confidence in the predicted fatigue response. The fatigue failure mode is highly sensitive to…
View article: The effect of geometric design and materials on section properties of additively manufactured lattice elements
The effect of geometric design and materials on section properties of additively manufactured lattice elements Open
Additive manufacturing (AM) technologies such as laser-based powder bed fusion (LB-PBF) facilitate the fabrication of complex lattice structures. However, these structures consistently display dimensional variation between the idealised an…
View article: Robot-assisted implantation of additively manufactured patient-specific orthopaedic implants: evaluation in a sheep model
Robot-assisted implantation of additively manufactured patient-specific orthopaedic implants: evaluation in a sheep model Open
View article: A virtual stylus method for non-destructive roughness profile measurement of additive manufactured lattice structures
A virtual stylus method for non-destructive roughness profile measurement of additive manufactured lattice structures Open
Surface roughness is traditionally evaluated with contact profilometry; however, these methods are not compatible with complex additive manufactured lattice structures due to limited physical access. For these scenarios, computed tomograph…
View article: A Comprehensive Investigation on Microstructure and Mechanical Properties Optimizing of 316l Stainless Steel Produced by Laser-Based Powder Bed Fusion
A Comprehensive Investigation on Microstructure and Mechanical Properties Optimizing of 316l Stainless Steel Produced by Laser-Based Powder Bed Fusion Open