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Design and characterisation of an additive manufacturing benchmarking artefact following a design-for-metrology approach (2019)
Journal Article
Santos, V. M. R., Thompson, A., Sims-Waterhouse, D., Maskery, I., Woolliams, P., & Leach, R. (2020). Design and characterisation of an additive manufacturing benchmarking artefact following a design-for-metrology approach. Additive Manufacturing, 32, https://doi.org/10.1016/j.addma.2019.100964

We present the design and characterisation of a high-speed sintering additive manufacturing benchmarking artefact following a design-for-metrology approach. In an important improvement over conventional approaches, the specifications and operating pr... Read More about Design and characterisation of an additive manufacturing benchmarking artefact following a design-for-metrology approach.

Rainbow metamaterials for broadband multi-frequency vibration attenuation: Numerical analysis and experimental validation (2019)
Journal Article
Chronopoulos, D., Meng, H., Elmadih, W., Fabro, A., & Maskery, I. (2020). Rainbow metamaterials for broadband multi-frequency vibration attenuation: Numerical analysis and experimental validation. Journal of Sound and Vibration, 465, https://doi.org/10.1016/j.jsv.2019.115005

In this study, we propose a ‘rainbow’ metamaterial to achieve broadband multi-frequency vibration attenuation. The rainbow metamaterial is constituted of a Π-shaped beam partitioned into substructures by parallel plates insertions with two attached c... Read More about Rainbow metamaterials for broadband multi-frequency vibration attenuation: Numerical analysis and experimental validation.

Optimal design of rainbow elastic metamaterials (2019)
Journal Article
Fabro, A. T., Meng, H., Chronopoulos, D., Maskery, I., & Chen, Y. (2020). Optimal design of rainbow elastic metamaterials. International Journal of Mechanical Sciences, 165, https://doi.org/10.1016/j.ijmecsci.2019.105185

In this study, we present an optimization scheme for the resonator distribution in rainbow metamaterials that are constitutive of a Π-shaped beam with parallel plate insertions and two sets of spatially varying cantilever-mass resonators. To improve... Read More about Optimal design of rainbow elastic metamaterials.

Three-dimensional resonating metamaterials for low-frequency vibration attenuation (2019)
Journal Article
Elmadih, W., Chronopoulos, D., Syam, W., Maskery, I., Meng, H., & Leach, R. (2019). Three-dimensional resonating metamaterials for low-frequency vibration attenuation. Scientific Reports, 9(1), https://doi.org/10.1038/s41598-019-47644-0

Recent advances in additive manufacturing have enabled fabrication of phononic crystals and metamaterials which exhibit spectral gaps, or stopbands, in which the propagation of elastic waves is prohibited by Bragg scattering or local resonance effect... Read More about Three-dimensional resonating metamaterials for low-frequency vibration attenuation.

Multidimensional Phononic Bandgaps in Three-Dimensional Lattices for Additive Manufacturing (2019)
Journal Article
Elmadih, W., Syam, W. P., Maskery, I., Chronopoulos, D., & Leach, R. (2019). Multidimensional Phononic Bandgaps in Three-Dimensional Lattices for Additive Manufacturing. Materials, 12(11), doi:10.3390/ma12111878

We report on numerical modelling of three-dimensional lattice structures designed to provide phononic bandgaps. The examined lattice structures rely on two distinct mechanisms for bandgap formation: the destructive interference of elastic waves and i... Read More about Multidimensional Phononic Bandgaps in Three-Dimensional Lattices for Additive Manufacturing.

Mechanical vibration bandgaps in surface-based lattices (2018)
Journal Article
Elmadih, W., Syam, W. P., Maskery, I., Chronopoulos, D., & Leach, R. (2019). Mechanical vibration bandgaps in surface-based lattices. Additive Manufacturing, 25, 421-429. doi:10.1016/j.addma.2018.11.011

In this paper, the phonon dispersion curves of several surface-based lattices are examined, and their energy transmission spectra, along with the corresponding bandgaps are identified. We demonstrate that these bandgaps may be controlled, or tuned, t... Read More about Mechanical vibration bandgaps in surface-based lattices.

Effective design and simulation of surface-based lattice structures featuring volume fraction and cell type grading (2018)
Journal Article
Maskery, I., Aremu, A., Parry, L., Wildman, R., Tuck, C., & Ashcroft, I. (2018). Effective design and simulation of surface-based lattice structures featuring volume fraction and cell type grading. Materials and Design, 155, (220-232). doi:10.1016/j.matdes.2018.05.058. ISSN 0261-3069

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
Saint, R., Evans, W., Zhou, Y., Barrett, T. J., Fromhold, T., Saleh, E., …Krüger, P. (2018). 3D-printed components for quantum devices. Scientific Reports, 8, https://doi.org/10.1038/s41598-018-26455-9

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
Maskery, I., Aboulkhair, N. T., Aremu, A., Tuck, C., & Ashcroft, I. (in press). Compressive failure modes and energy absorption in additively manufactured double gyroid lattices. Additive Manufacturing, 16, https://doi.org/10.1016/j.addma.2017.04.003

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
Zhang, Y., Liu, T., Ren, H., Maskery, I., & Ashcroft, I. (2018). Dynamic compressive response of additively manufactured AlSi10Mg alloy hierarchical honeycomb structures. Composite Structures, 195, 45-59. https://doi.org/10.1016/j.compstruct.2018.04.021

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
Thompson, A., Senin, N., Maskery, I., & Leach, R. (2018). Effects of magnification and sampling resolution in X-ray computed tomography for the measurement of additively manufactured metal surfaces. Precision Engineering, 53, doi:10.1016/j.precisioneng.2018.02.014

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
Thompson, A., Senin, N., Maskery, I., Körner, L., Lawes, S., & Leach, R. (2018). Internal surface measurement of metal powder bed fusion parts. Additive Manufacturing, 20, doi:10.1016/j.addma.2018.01.003

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
Maskery, I., Sturm, L., Aremu, A., Panesar, A., Williams, C., Tuck, C., …Hague, R. J. (2018). Insights into the mechanical properties of several triplyperiodic minimal surface lattice structures made by polymeradditive manufacturing. Polymer, 152, 62-71. doi:10.1016/j.polymer.2017.11.049

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.

Defect evolution in laser powder bed fusion additive manufactured components during thermo-mechanical testing (2017)
Conference Proceeding
Xu, Z., Hyde, C. J., Thompson, A., Leach, R. K., Maskery, I., Tuck, C., & Clare, A. T. (2017). Defect evolution in laser powder bed fusion additive manufactured components during thermo-mechanical testing

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
Syam, W. P., Jianwei, W., Zhao, B., Maskery, I., Elmadih, W., & Leach, R. (2018). Design and analysis of strut-based lattice structures for vibration isolation. Precision Engineering, 51, (494-506). doi:10.1016/j.precisioneng.2017.09.010. ISSN 0141-6359

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.