Outputs (35)

Laser additive manufacturing of TiB2-modified Cu15Ni8Sn/GH3230 heterogeneous materials: Processability, interfacial microstructure and mechanical performance (2024)
Journal Article

Cu/Ni heterogeneous materials integrate excellent thermal conductivity and high-temperature mechanical properties, enabling them to be widely used in the aerospace domain. Differences in the thermal and physical properties of the Cu and Ni materials,... Read More about Laser additive manufacturing of TiB2-modified Cu15Ni8Sn/GH3230 heterogeneous materials: Processability, interfacial microstructure and mechanical performance.

Quantifying the microstructural and biomechanical changes in the porcine ventricles during growth and remodelling (2023)
Journal Article

Cardiac tissue growth and remodelling (G & R) occur in response to the changing physiological demands of the heart after birth. The early shift to pulmonary circulation produces an immediate increase in ventricular workload, causing microstructural a... Read More about Quantifying the microstructural and biomechanical changes in the porcine ventricles during growth and remodelling.

Advancing dysphagia-oriented multi-ingredient meal development: Optimising hydrocolloid incorporation in 3D printed nutritious meals (2023)
Journal Article

Dysphagia (DP) is a growing health concern in today's ageing population, leading to high demand for DP-oriented food. 3D printing is a promising novel technology for developing new attractive and appetising products. Therefore, we aimed to develop a... Read More about Advancing dysphagia-oriented multi-ingredient meal development: Optimising hydrocolloid incorporation in 3D printed nutritious meals.

Optimisation of an elastomeric pre-buckled honeycomb helmet liner for advanced impact mitigation (2023)
Journal Article

Advances in computational modelling now offer an efficient route to developing novel helmet liners that could exceed contemporary materials’ performance. Furthermore, the rise of accessible additive manufacturing presents a viable route to achieving... Read More about Optimisation of an elastomeric pre-buckled honeycomb helmet liner for advanced impact mitigation.

An explorative study on the antimicrobial effects and mechanical properties of 3D printed PLA and TPU surfaces loaded with Ag and Cu against nosocomial and foodborne pathogens (2022)
Journal Article

Antimicrobial 3D printed surfaces made of PLA and TPU polymers loaded with copper (Cu), and silver (Ag) nanoparticles (NPs) were developed via fused deposition modeling (FDM). The potential antimicrobial effect of the 3D printed surfaces against Esch... Read More about An explorative study on the antimicrobial effects and mechanical properties of 3D printed PLA and TPU surfaces loaded with Ag and Cu against nosocomial and foodborne pathogens.

Laser powder bed fusion of TiB2-modified Cu15Ni8Sn alloy: Processability, microstructure and mechanical performance (2022)
Journal Article

Cu15Ni8Sn is widely used in the aerospace and electronics domains because of its good conductivity and toughness. Due to the material's high laser reflectivity and thermal conductivity, however, employing the laser powder bed fusion (LPBF) additive m... Read More about Laser powder bed fusion of TiB2-modified Cu15Ni8Sn alloy: Processability, microstructure and mechanical performance.

Response of gyroid lattice structures to impact loads (2022)
Journal Article

This paper reports on a comprehensive investigation of gyroid lattice structures subject to impact loading. AlSi10Mg samples were manufactured using selective laser melting (SLM) and mechanically characterized using Digital Image Correlation (DIC). U... Read More about Response of gyroid lattice structures to impact loads.

Mechanical behaviour of additively manufactured elastomeric pre-buckled honeycombs under quasi-static and impact loading (2022)
Journal Article

Selective laser sintering has been used to manufacture different structural variations of a pre-buckled circular honeycomb. The mechanical behaviour of these structures has been examined under both quasi-static and dynamic impact loading. Pre-buckled... Read More about Mechanical behaviour of additively manufactured elastomeric pre-buckled honeycombs under quasi-static and impact loading.

Finite element-based optimisation of an elastomeric honeycomb for impact mitigation in helmet liners (2021)
Journal Article

Finite element simulation was used to analyse the response of an elastomeric pre-buckled honeycomb structure under impact loading, to establish its suitability for use in helmet liners. A finite element-based optimisation was performed using a search... Read More about Finite element-based optimisation of an elastomeric honeycomb for impact mitigation in helmet liners.

Auxetic metamaterial optimisation for head impact mitigation in American football (2021)
Journal Article

American football has a comparatively high rate of sports-related concussions, despite mitigating strategies including the use of protective helmets. The traditional energy absorbing component, elastomeric foam pads, have limited scope for leveraging... Read More about Auxetic metamaterial optimisation for head impact mitigation in American football.

Investigating the dynamic compression response of elastomeric, additively manufactured fluid-filled structures via experimental and finite element analyses (2021)
Journal Article

This study evaluates a fluid-filled, closed-cell lattice as a novel route to reducing peak acceleration in impact environments. A conical structure was designed and built using fused filament fabrication. One structure was manufactured hollow (100% a... Read More about Investigating the dynamic compression response of elastomeric, additively manufactured fluid-filled structures via experimental and finite element analyses.

Laser powder bed fusion of WC-reinforced Hastelloy-X composite: Microstructure and mechanical properties (2020)
Journal Article

Nickel-based superalloys such as Hastelloy X (HX) are widely used in gas turbine engines for their exceptional oxidation resistance and high-temperature strength. The addition of ceramic reinforcement further enhances these superalloys’ mechanical pe... Read More about Laser powder bed fusion of WC-reinforced Hastelloy-X composite: Microstructure and mechanical properties.

Effect of hot cracking on the mechanical properties of Hastelloy X superalloy fabricated by laser powder bed fusion additive manufacturing (2019)
Journal Article

Nickel-based superalloys such as Hastelloy X (HX) are widely used in gas turbine engine applications and the aerospace industry. HX is susceptible to hot cracking, however, when processed using additive manufacturing technologies such as laser powder... Read More about Effect of hot cracking on the mechanical properties of Hastelloy X superalloy fabricated by laser powder bed fusion additive manufacturing.

A novel pathway for efficient characterisation of additively manufactured thermoplastic elastomers (2019)
Journal Article

Thermoplastic elastomers (TPE) are commonly used to fabricate structures for application in repeatable, energy absorption environments. The emergence of additive manufacturing (AM) means scope now exists to design and build complex TPE components tha... Read More about A novel pathway for efficient characterisation of additively manufactured thermoplastic elastomers.

On the AIC-based model reduction for the general Holzapfel–Ogden myocardial constitutive law (2019)
Journal Article

© 2019, The Author(s). Constitutive laws that describe the mechanical responses of cardiac tissue under loading hold the key to accurately model the biomechanical behaviour of the heart. There have been ample choices of phenomenological constitutive... Read More about On the AIC-based model reduction for the general Holzapfel–Ogden myocardial constitutive law.

Mechanical characterisation of additively manufactured elastomeric structures for variable strain rate applications (2019)
Journal Article

© 2019 Elsevier B.V. Additive manufacturing (AM) enables production of geometrically-complex elastomeric structures. The elastic recovery and strain-rate dependence of these materials means they are ideal for use in dynamic, repetitive mechanical loa... Read More about Mechanical characterisation of additively manufactured elastomeric structures for variable strain rate applications.

Manufacturability of AlSi10Mg overhang structures fabricated by laser powder bed fusion (2018)
Journal Article

© 2018 Elsevier Ltd The main advantage of laser powder bed fusion (LPBF) is its use for directly manufacturing metal components with highly complex geometries. But the LPBF manufacture of overhang structures, also known as downward-facing surfaces, i... Read More about Manufacturability of AlSi10Mg overhang structures fabricated by laser powder bed fusion.

Biomechanical properties and microstructure of neonatal porcine ventricles (2018)
Journal Article

© 2018 Elsevier Ltd Neonatal heart disorders represent a major clinical challenge, with congenital heart disease alone affecting 36,000 new-borns annually within the European Union. Surgical intervention to restore normal function includes the implan... Read More about Biomechanical properties and microstructure of neonatal porcine ventricles.

Region-Specific Microstructure in the Neonatal Ventricles of a Porcine Model (2018)
Journal Article

© 2018, Biomedical Engineering Society. The neonate transitions from placenta-derived oxygen, to supply from the pulmonary system, moments after birth. This requires a series of structural developments to divert more blood through the right heart and... Read More about Region-Specific Microstructure in the Neonatal Ventricles of a Porcine Model.

Quasi-static analysis of mechanical properties of Ti6Al4V lattice structures manufactured using selective laser melting (2017)
Journal Article

© 2017, Springer-Verlag London Ltd. Selective laser melting (SLM) is a transformative manufacturing process due to its ability to manufacture complex metal parts directly from various bulk powders. With the capability of reducing powder consumption a... Read More about Quasi-static analysis of mechanical properties of Ti6Al4V lattice structures manufactured using selective laser melting.

Enhancing parametric design through non-manifold topology (2017)
Journal Article

© 2017 Elsevier Ltd This paper aims to build a theoretical foundation for parametric design thinking by exploring its cognitive roots, unfolding its basic tenets, expanding its definition through new concepts, and exemplifying its potential through a... Read More about Enhancing parametric design through non-manifold topology.

Feasibility of optimising bicycle helmet design safety through the use of additive manufactured TPE cellular structures (2015)
Journal Article

© 2015, Springer-Verlag London. Bicycle helmets are designed to attenuate forces and accelerations experienced by the head during cycling accidents. An essential element of bicycle helmet design is, therefore, the appropriate manufacturing of energy-... Read More about Feasibility of optimising bicycle helmet design safety through the use of additive manufactured TPE cellular structures.

Integrated eco-design decision-making for sustainable product development (2014)
Journal Article

This paper presents an integrated eco-design decision-making (IEDM) methodology that is formed using three stages: life cycle assessment, an eco-design process (Eco-Process) model and an enhanced eco-design quality function deployment process. All pr... Read More about Integrated eco-design decision-making for sustainable product development.

Pre-processing studies for selective laser sintering of glass beads-filled polyamide 12 composites (2014)
Journal Article

The paper provides the background needed on the investigation of mechanical properties and geometric accuracy of glass bead filled polyamide 12 composites. It introduces the topic of determination of material and process parameters, describes the pre... Read More about Pre-processing studies for selective laser sintering of glass beads-filled polyamide 12 composites.

Mechanical characterisation of Duraform® Flex for FEA hyperelastic material modelling (2014)
Journal Article

Laser Sintering (LS) is widely accepted as a leading additive manufacturing process with a proven capability for manufacturing complex lattice structures using a group of specially developed powder based materials. However, to date, very little resea... Read More about Mechanical characterisation of Duraform® Flex for FEA hyperelastic material modelling.

A conceptual model for sustainable product design (2013)
Journal Article

This paper proposes a conceptual model to support sustainable product design. The approach develops an integrated multimodal decision making model which is to be introduced early in the design process, as the basis for the integration of the life cyc... Read More about A conceptual model for sustainable product design.

Additive tooling for tube hydroforming (2013)
Journal Article

The use of tube hydroforming in manufacturing is increasing in popularity, particularly in automotive applications where it offers numerous cost and well-recognized performance advantages over conventional stamping and welding processes. In this pape... Read More about Additive tooling for tube hydroforming.

FEA support structure generation for the additive manufacture of CastForm™ polystyrene patterns (2013)
Journal Article

Understanding the nature of part failure when using CastForm™ material for pattern generation is essential in the development of failure avoidance practices. Currently, many approaches employed in both research and industry rely on the use of physica... Read More about FEA support structure generation for the additive manufacture of CastForm™ polystyrene patterns.

Assessment of non-uniform shrinkage in the laser sintering of polymer materials (2013)
Journal Article

Laser sintering technologies are well established in the rapid prototyping and rapid manufacturing industries, producing a wide range of products for an ever-increasing number of industry sectors. In theory, these processes facilitate direct digital... Read More about Assessment of non-uniform shrinkage in the laser sintering of polymer materials.

Additive manufacturing for archaeological reconstruction of a medieval ship (2012)
Journal Article

Purpose - The purpose of this paper is to examine the suitability of additive manufacturing technologies in the reconstruction of archaeological discoveries as illustrative models. The processes of reverse engineering and part fabrication are discuss... Read More about Additive manufacturing for archaeological reconstruction of a medieval ship.

Quantitative analysis on SLS part curling using EOS P700 machine (2012)
Journal Article

Selective laser sintering (SLS) is a thermal process and one of the main problems associated with it is "part curling". The aim of the work is to describe the degree of curling quantitatively and to provide suggestions to minimise the curl, thereby i... Read More about Quantitative analysis on SLS part curling using EOS P700 machine.

Personalised medical product development: methods, challenges and opportunities (2011)
Journal Article

Personalised health care in general and personalised medical products in particular aim to provide the optimal diagnosis and treatment with the use of the right medicine, tools and devices to the right patient at the right time in order to meet well... Read More about Personalised medical product development: methods, challenges and opportunities.

Improving dimensional accuracy in the production of a CastForm^TM polystyrene pattern for investment casting (2010)
Journal Article

The focus of this paper was to analyse all stages of the CastForm™(CF) polystyrene pattern fabrication process, identify the reasons leading to poor dimensional accuracy, and outline techniques for its improvement. Rapid manufacturing of patterns for... Read More about Improving dimensional accuracy in the production of a CastForm^TM polystyrene pattern for investment casting.

Rapid manufacturing of patterns for investment casting: Improvement of quality and success rate (2006)
Journal Article

Purpose - The main objective of this paper is to analyse all stages of the CastForm™ polystyrene (CF) pattern fabrication process, identify the reasons leading to inferior quality, and outline techniques for its improvement and reduction of failures.... Read More about Rapid manufacturing of patterns for investment casting: Improvement of quality and success rate.

Some demands on rapid prototypes used as master patterns in rapid tooling for injection moulding (2004)
Journal Article

Injection moulded components are finding vigorously increasing applications in numerous sectors. The flexibility of the process allows complex components to be manufactured in high volumes in fully automated environments. Associated with such compone... Read More about Some demands on rapid prototypes used as master patterns in rapid tooling for injection moulding.