All Outputs (49)

Effective design and simulation of surface-based lattice structures featuring volume fraction and cell type grading (2018)
Journal Article

In this paper we present a numerical investigation into surface-based lattice structures with the aim of facilitating their design for additive manufacturing. We give the surface equations for these structures and show how they can be used to tailor... Read More about Effective design and simulation of surface-based lattice structures featuring volume fraction and cell type grading.

3D-printed components for quantum devices (2018)
Journal Article

Recent advances in the preparation, control and measurement of atomic gases have led to new insights into the quantum world and unprecedented metrological sensitivities, e.g. in measuring gravitational forces and magnetic fields. The full potential o... Read More about 3D-printed components for quantum devices.

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.

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.

Effects of magnification and sampling resolution in X-ray computed tomography for the measurement of additively manufactured metal surfaces (2018)
Journal Article

Recent studies have shown that X-ray computed tomography (XCT) can be used to measure the surface topography of additively manufactured parts. However, further research is necessary to fully understand XCT measurement performance. Here, we show how m... Read More about Effects of magnification and sampling resolution in X-ray computed tomography for the measurement of additively manufactured metal surfaces.

Internal surface measurement of metal powder bed fusion parts (2018)
Journal Article

Recent advances in X-ray computed tomography (XCT) have allowed for measurement resolutions approaching the point where XCT can be used for measuring surface topography. These advances make XCT appealing for measuring hard-to-reach or internal surfac... Read More about Internal surface measurement of metal powder bed fusion parts.

Insights into the mechanical properties of several triplyperiodic minimal surface lattice structures made by polymeradditive manufacturing (2017)
Journal Article

Three-dimensional lattices have applications across a range of fields including structural lightweighting, impact absorption and biomedicine. In this work, lattices based on triply periodic minimal surfaces were produced by polymer additive manufactu... Read More about Insights into the mechanical properties of several triplyperiodic minimal surface lattice structures made by polymeradditive manufacturing.

Additively manufactured lattice structures for precision engineering applications (2017)
Conference Proceeding

Defect evolution in laser powder bed fusion additive manufactured components during thermo-mechanical testing (2017)
Conference Proceeding

The mechanical performance of additively manufactured (AM) components remains an issue, limiting the implementation of AM technologies. In this work, a new method is presented, to examine the evolution of defects in an Inconel 718 two-bar test specim... Read More about Defect evolution in laser powder bed fusion additive manufactured components during thermo-mechanical testing.

Design and analysis of strut-based lattice structures for vibration isolation (2017)
Journal Article

This paper presents the design, analysis and experimental verification of strut-based lattice structures to enhance the mechanical vibration isolation properties of a machine frame, whilst also conserving its structural integrity. In addition, design... Read More about Design and analysis of strut-based lattice structures for vibration isolation.

Staged thermomechanical testing of nickel superalloys produced by selective laser melting (2017)
Journal Article

The creep performance of additively manufactured components remains an issue before additive manufacturing can be put fully implemented. In this study, Inconel 718 two-bar specimens are produced by selective laser melting and subjected to a ‘staged’... Read More about Staged thermomechanical testing of nickel superalloys produced by selective laser melting.

Design of mechanically-optimised lattice structures for vibration isolation (2017)
Conference Proceeding

In this study, we investigate the use of additively manufactured strut-based lattice structures to enhance the mechanical vibration isolation properties of a structure. Three lattice designs, inspired by the common strut-based lattice structures, are... Read More about Design of mechanically-optimised lattice structures for vibration isolation.

X-ray computed tomography of additively manufactured metal parts: the effect of magnification and reconstruction sampling on surface topography measurement (2017)
Conference Proceeding

X-ray computed tomography (XCT) has recently become recognised as a viable method of surface topography measurement for additively manufactured (AM) metal parts [1–5]. AM is capable of producing internal features that are inaccessible to other surfac... Read More about X-ray computed tomography of additively manufactured metal parts: the effect of magnification and reconstruction sampling on surface topography measurement.

X-ray computed tomography and additive manufacturing in medicine: a review (2017)
Journal Article

The use of X-ray computed tomography (XCT) with additive manufacture (AM) within a medical context is examined in this review. The seven AM process families and various XCT scanning techniques are explained in brief, and the use of these technologies... Read More about X-ray computed tomography and additive manufacturing in medicine: a review.

Selective laser melting of aluminium alloys (2017)
Journal Article

Metal additive manufacturing (AM) processes, such as selective laser melting, enable powdered metals to be formed into arbitrary 3D shapes. For aluminium alloys, which are desirable in many high-value applications for their low density and good mecha... Read More about Selective laser melting of aluminium alloys.

Measurement of internal surfaces of additively manufactured parts by X-ray computed tomography (2017)
Conference Proceeding

Recent advances in X-ray computed tomography (XCT) have allowed for measurement resolutions approaching the point where XCT can be used for measuring surface topography. These advances make XCT appealing for measuring hard-to-reach or internal surfac... Read More about Measurement of internal surfaces of additively manufactured parts by X-ray computed tomography.

Environmental Impacts of Selective Laser Melting: Do Printer, Powder, Or Power Dominate? (2016)
Journal Article

© 2016 The Authors. Journal of Industrial Ecology, published by Wiley Periodicals, Inc., on behalf of Yale University. This life cycle assessment measured environmental impacts of selective laser melting, to determine where most impacts arise: machin... Read More about Environmental Impacts of Selective Laser Melting: Do Printer, Powder, Or Power Dominate?.

A mechanical property evaluation of graded density Al-Si10-Mg lattice structures manufactured by selective laser melting (2016)
Journal Article

Metal components with applications across a range of industrial sectors can be manufactured by selective laser melting (SLM). A particular strength of SLM is its ability to manufacture components incorporating periodic lattice structures not realisab... Read More about A mechanical property evaluation of graded density Al-Si10-Mg lattice structures manufactured by selective laser melting.

X-ray computed tomography for additive manufacturing: a review (2016)
Journal Article

In this review, the use of x-ray computed tomography (XCT) is examined, identifying the requirement for volumetric dimensional measurements in industrial verification of additively manufactured (AM) parts. The XCT technology and AM processes are summ... Read More about X-ray computed tomography for additive manufacturing: a review.

Improving the fatigue behaviour of a selectively laser melted aluminium alloy: Influence of heat treatment and surface quality (2016)
Journal Article

Selective laser melting (SLM) is being widely utilised to fabricate intricate structures used in various industries. Widening the range of applications that can benefit from such promising technology requires validating SLM parts in load bearing appl... Read More about Improving the fatigue behaviour of a selectively laser melted aluminium alloy: Influence of heat treatment and surface quality.