High strain rate behaviour of additively manufactured alloys and topology optimised lattice structures

Sami Al Khatib

Research output: ThesisDoctoral Thesis

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Abstract

This thesis explores the mechanical behaviour of lattice structures and laser powder bed fusion(LPBF) metal alloys under quasi-static and dynamic loading. It investigates energy absorption ofisotropic topology-optimized lattice structures and the rate-dependent behavior of LPBFed alloys(CPTi, AlSi10Mg, and 316L stainless steel). The findings demonstrate the isotropy of the topologyoptimizedlattice and the strain rate sensitivity of LPBFed alloys. Additionally, the study explores therate-dependent response of a topology-optimized unit cell with different materials. Overall, thisresearch provides insights into the potential of these materials in engineering applications and offersimplications for light alloy implementation in impact applications.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Supervisors/Advisors
  • Sercombe, Tim, Supervisor
  • Karrech, Ali, Supervisor
Thesis sponsors
Award date3 Nov 2023
DOIs
Publication statusUnpublished - 2023

Embargo information

  • Embargoed from 30/10/2023 to 29/02/2024. Made publicly avaliable on 29/02/2024

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