Fry, A T; Crocker, L E; Woolliams, P; Poole, M; Koko, A; Breheny, C (2024) Tensile property measurement of AlSi10Mg lattice structures – from single strut to lattice networks. In: 10th International Conference on Advances in Materials, Manufacturing and Repair for Power Plants (AM-EPRI 2024), 15-18 October 2024, Bonita Springs, FL, USA.

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Abstract

At present there is no recognised standard test method that can be used for the measurement of the tensile properties of additively manufactured lattice structures. The aim of this work was to develop and validate a methodology that would enable this material property to be measured for these geometrically and microstructurally complex material structures. A novel test piece has been designed and trialed to enable lattice struts and substructures to be manufactured and tested in standard bench top universal testing machines and in small scale in-situ SEM loading jigs (not reported in this paper). In conjunction with the mechanical tests, a finite element (FEA) modelling approach has been used to help cross validate the methodology and results, and to enable larger lattice structures to be modelled with confidence. The specimen design and testing approach developed, is described and the results reviewed for AlSi10Mg.

Item Type:	Conference or Workshop Item (Paper)
Subjects:	Advanced Materials > Mechanical Measurement
Divisions:	Materials and Mechanical Metrology
Identification number/DOI:	10.31399/asm.cp.am-epri-2024p0207
Last Modified:	16 Dec 2024 14:03
URI:	https://eprintspublications.npl.co.uk/id/eprint/10107