The effect of laser shock peening on surface characteristics of titanium alloy

Hao Wang; Yongxin Ma; Yue Lu; Jiaxi Zhu; Yongtao Bai; Qingchuan Guo; Lunzhen Hu; Xuanjun Zhang; Xiaohang Song

doi:10.1117/12.2686488

27 November 2023 The effect of laser shock peening on surface characteristics of titanium alloy

Hao Wang, Yongxin Ma, Yue Lu, Jiaxi Zhu, Yongtao Bai, Qingchuan Guo, Lunzhen Hu, Xuanjun Zhang, Xiaohang Song

Proceedings Volume 12762, Advanced Laser Processing and Manufacturing VII; 127620L (2023) https://doi.org/10.1117/12.2686488
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Abstract

Laser shock peening is an effective surface technology for improving the surface mechanical properties of metals. Many studies have been performed to process different kinds of metallic material that can induce compressive residual stress in the top layer of samples, which would extend the fatigue life of metal parts in the industry. The titanium alloy samples are treated by laser shock peening with water layer as constraint layer and without protective coating in this research, after which the titanium alloy samples are observed and analyzed with a scanning electron microscope, hardness tester, laser confocal microscope, and wear tester. The surface roughness, surface microstructure, and other properties of untreated and treated titanium alloy are compared to study the effect on titanium alloy of laser shock peening process without protective coating.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Hao Wang, Yongxin Ma, Yue Lu, Jiaxi Zhu, Yongtao Bai, Qingchuan Guo, Lunzhen Hu, Xuanjun Zhang, and Xiaohang Song "The effect of laser shock peening on surface characteristics of titanium alloy", Proc. SPIE 12762, Advanced Laser Processing and Manufacturing VII, 127620L (27 November 2023); https://doi.org/10.1117/12.2686488

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