Volume 4: Processes 2018
DOI: 10.1115/msec2018-6706
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Finite Element Study of Laser Peening on Selective Laser Melted A357 Aluminum Alloy During Tension Test

Abstract: Laser shock peening (LSP) is an advanced surface treatment technique that can extend fatigue life in metallic components by inducing near-surface compressive residual stresses. In this study, LSP was implemented to induce compressive residual stresses and modify material properties of selective laser melted (SLM) aluminum A357 specimens. An initial hypothesis on the effect of LSP during tension testing was formulated and tested using finite element simulation. The hypothesis was that, due to the LSP-induced te… Show more

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