All Outputs (77)

Laser powder bed fusion of soda lime silica glass: optimisation of processing parameters and evaluation of part properties (2021)
Journal Article

Glass has a number of attractive properties, such as transparency, chemical resistance, good thermal stability and high electrical resistivity , that make it a favourable material for a range of applications, including medical technology, electronics... Read More about Laser powder bed fusion of soda lime silica glass: optimisation of processing parameters and evaluation of part properties.

A framework for differentiation in composed digital-physical products (2020)
Journal Article

Product-service systems (PSS) composed of physical products and digital services are emerging as an important new product category. In this paper we suggest that the established metaphor of 'layering' is insufficient to capture the diverse ways in wh... Read More about A framework for differentiation in composed digital-physical products.

Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor (2020)
Journal Article

Additive manufacturing is acknowledged as a key enabling technology, although its adoption is still constrained to niche applications. A promising area for this technology is the production of electrical machines (EMs) and/or their main components (e... Read More about Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor.

Understanding Mechanical Properties in Fused Filament Fabrication of Polyether Ether Ketone (2020)
Journal Article

Using dynamic mechanical analysis (DMA), we investigate differences in the mechanical properties of a single-filament wall of polyether ether ketone (PEEK) constructed using fused filament fabrication (FFF) under a range of different printing conditi... Read More about Understanding Mechanical Properties in Fused Filament Fabrication of Polyether Ether Ketone.

The deformation and elastic anisotropy of a new gyroid-based honeycomb made by laser sintering (2020)
Journal Article

© 2020 The Author(s) The stiffness, anisotropy and structural deformation of three gyroid-based lattices was investigated, with particular focus on a newly proposed honeycomb gyroid. This honeycomb is based on a modified triply periodic minimal surfa... Read More about The deformation and elastic anisotropy of a new gyroid-based honeycomb made by laser sintering.

Generation of graded porous structures by control of process parameters in the selective laser melting of a fixed ratio salt-metal feedstock (2020)
Journal Article

The demonstration of salt dissolution incorporated within laser powder-bed fusion fabrication processes has allowed the creation of complex porous structures without the need for sophisticated design algorithms. This serves to simplify the process, f... Read More about Generation of graded porous structures by control of process parameters in the selective laser melting of a fixed ratio salt-metal feedstock.

Phase-field modelling of brittle fracture in thin shell elements based on the MITC4+ approach (2020)
Journal Article

We present a phase field based MITC4+ shell element formulation to simulate fracture propagation in thin shell structures. The employed MITC4+ approach renders the element shear- and membrane- locking free, hence providing high-fidelity fracture simu... Read More about Phase-field modelling of brittle fracture in thin shell elements based on the MITC4+ approach.

Optimal orientation of fibre composites for strength based on Hashin’s criteria optimality conditions (2020)
Journal Article

© 2020, The Author(s). The Hashin’s strength criteria are usually employed in first ply failure and damage-onset analysis of fibre-reinforced composites. This work presents optimality conditions of local material orientations for these criteria, in t... Read More about Optimal orientation of fibre composites for strength based on Hashin’s criteria optimality conditions.

The Effects of Feature Sizes in Selectively Laser Melted Ti-6Al-4V Parts on the Validity of Optimised Process Parameters (2019)
Journal Article

Ti-6Al-4V is a popular alloy due to its high strength-to-weight ratio and excellent corrosion resistance. Many applications of additively manufactured Ti-6Al-4V using selective laser melting (SLM) have reached technology readiness. However, issues li... Read More about The Effects of Feature Sizes in Selectively Laser Melted Ti-6Al-4V Parts on the Validity of Optimised Process Parameters.

Electrical resistivity of pure copper processed by medium-powered laser powder bed fusion additive manufacturing for use in electromagnetic applications (2019)
Journal Article

Pure copper is an excellent thermal and electrical conductor, however, attempts to process it with additive manufacturing (AM) technologies have seen various levels of success. While electron beam melting (EBM) has successfully processed pure copper... Read More about Electrical resistivity of pure copper processed by medium-powered laser powder bed fusion additive manufacturing for use in electromagnetic applications.

3D printing of Aluminium alloys: Additive Manufacturing of Aluminium alloys using selective laser melting (2019)
Journal Article

© 2019 The Authors Metal Additive Manufacturing (AM) processes, such as selective laser melting (SLM), enable the fabrication of arbitrary 3D-structures with unprecedented degrees of freedom. Research is rapidly progressing in this field, with promis... Read More about 3D printing of Aluminium alloys: Additive Manufacturing of Aluminium alloys using selective laser melting.

Additive manufacturing of glass with laser powder bed fusion (2019)
Journal Article

Its transparency, aesthetic appeal, chemical inertness and electrical resistivity make glass an excellent candidate for small and large‐scale applications in the chemical, electronics, automotive, aerospace and architectural industries. Additive manu... Read More about Additive manufacturing of glass with laser powder bed fusion.

Direct-writing by active tooling in electrochemical jet processing (2019)
Journal Article

Recent innovations in electrochemical jet processing have caused step changes in process flexibility and precision. However, utilisation of these innovations requires the development of new machine tool technology. Presented here is a new methodology... Read More about Direct-writing by active tooling in electrochemical jet processing.

Geometrical effects on residual stress in selective laser melting (2018)
Journal Article

Selective laser melting is an increasingly attractive technology for the manufacture of complex and low volume / high value metal parts. However, the inevitable residual stresses that are generated can lead to defects or build failure. Due to the com... Read More about Geometrical effects on residual stress in selective laser melting.

Compressive failure modes and energy absorption in additively manufactured double gyroid lattices (2018)
Journal Article

Lattice structures are excellent candidates for lightweight, energy absorbing applications such as personal protective equipment. In this paper we explore several important aspects of lattice design and production by metal additive manufacturing, inc... Read More about Compressive failure modes and energy absorption in additively manufactured double gyroid lattices.

VOLCO: a predictive model for 3D printed microarchitecture (2018)
Journal Article

Extrusion-based 3D printing is widely used for porous scaffolds in which polymer filaments are extruded in the form of log-pile structures. These structures are typically designed with the assumption that filaments have a continuous cylindrical profi... Read More about VOLCO: a predictive model for 3D printed microarchitecture.

Dynamic compressive response of additively manufactured AlSi10Mg alloy hierarchical honeycomb structures (2018)
Journal Article

Periodic honeycombs have been used for their high strength, low weight and multifunctionality. The quasi-static and dynamic compressive responses of three types of additively manufactured AlSi10Mg honeycomb structures, specifically a single-scale hon... Read More about Dynamic compressive response of additively manufactured AlSi10Mg alloy hierarchical honeycomb structures.

Electrical resistivity of additively manufactured AlSi10Mg for use in electric motors (2018)
Journal Article

Additive manufacturing (AM) opens up a design freedom beyond the limits of traditional manufacturing techniques. Electrical windings created through AM could lead to more powerful and compact electric motors, but only if the electrical properties of... Read More about Electrical resistivity of additively manufactured AlSi10Mg for use in electric motors.

Topology optimization of geometrically nonlinear structures using an evolutionary optimization method (2018)
Journal Article

Iso-XFEM method is an evolutionary optimization method developed in our previous studies to enable the generation of high resolution topology optimised designs suitable for additive manufacture. Conventional approaches for topology optimization requi... Read More about Topology optimization of geometrically nonlinear structures using an evolutionary optimization method.

Design optimization for an additively manufactured automotive component (2018)
Journal Article

The aim of this paper is to investigate the design optimization and additive manufacture of automotive components. A Titanium brake pedal processed through Selective Laser Melting (SLM) is considered as a test case. Different design optimisation tech... Read More about Design optimization for an additively manufactured automotive component.