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Effects of Laser Shock Peening on the Wear and Degradation Behaviors of Magnesium Alloys

[+] Author Affiliations
Ruixia Zhang, Xiaoning Hou, Xianfeng Zhou, Steven Mankoci, Haifeng Qin, Zhencheng Ren, Gary L. Doll, Yalin Dong, Nita Sahai, Chang Ye

University of Akron, Akron, OH

Hongyu Gao, Ashlie Martini

University of California, Merced, Merced, CA

Paper No. MSEC2016-8689, pp. V002T01A005; 6 pages
doi:10.1115/MSEC2016-8689
From:
  • ASME 2016 11th International Manufacturing Science and Engineering Conference
  • Volume 2: Materials; Biomanufacturing; Properties, Applications and Systems; Sustainable Manufacturing
  • Blacksburg, Virginia, USA, June 27–July 1, 2016
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-4990-3
  • Copyright © 2016 by ASME

abstract

In this study, we investigated the mechanical properties of AZ31B Mg alloy before and after laser shock peening (LSP). The hardness of the AZ31B Mg alloy increased from 57 HV to 69 HV after LSP. The yield strength increased from 128 MPa to 152 MPa. Wear resistance was significantly improved after LSP. Immersion testing showed that LSP did not significantly increase the element release and weight loss in simulated body fluid. We have demonstrated that LSP is an effective way to improve the mechanical properties of the AZ31B Mg alloy.

Copyright © 2016 by ASME

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