期刊
OPTICS AND LASERS IN ENGINEERING
卷 129, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlaseng.2020.106052
关键词
Titanium alloys; Laser shock peening; Optical profilometry; Scanning electron microscopy; Microstructure
类别
资金
- Ministry of Education, Science and Technological Development of the Republic of Serbia [TR 35040, TR 37021, OI 172045]
Owing to their good mechanical properties, titanium based alloys are used for machine parts and devices that operate in demanding regimes and environmental conditions. Laser shock peening (LSP) is an innovative technique for improvement of the surface and mechanical characteristics of the material. In this paper, LSP is employed for additional improvement of already good characteristics of Ti- alloy. Laser shock peening is performed on alloy surface, with and without protective and transparent layer and obtained microstructure, surface characteristics and mechanical properties are compared. LSP improved the surface topology and microhardness of material, producing overall better results when the Ti-alloy surface was coated by transparent and protective layer.
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