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Proceedings Paper

Laser shock wave and its applications
Author(s): Chaojun Yang; Yongkang Zhang; Jianzhong Zhou; Fang Zhang; Aixin Feng
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Paper Abstract

The technology of laser shock wave is used to not only surface modification but also metal forming. It can be divided into three parts: laser shock processing, laser shock forming (LSF) and laser peenforming(LPF). Laser shock processing as a surface treatment to metals can make engineering components have a residual compressive stress so that it obviously improves their fatigue strength and stress corrosion performances, while laser shock forming (LSF) is a novel technique that is used in plastic deformation of sheet metal recently and Laser peen forming (LPF) is another new sheet metal forming process presented in recent years. They all can be carried out by a high-power and repetition pulse Nd:Glass laser device made by Jiangsu University. Laser shock technology has characterized of ultrahigh pressure and high strain rate (106 - 107s-1). Now, for different materials, we are able to form different metals to contours and shapes and simultaneity leave their surfaces in crack-resistant compressive stress state. The results show that the technology of laser shock wave can strengthen surface property and prolong fatigue life and especially can deform metals to shapes that could not be adequately made using conventional methods. With the development of the technology of laser shock wave, the applied fields of laser will become greater and greater.

Paper Details

Date Published: 14 November 2007
PDF: 4 pages
Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 67221X (14 November 2007); doi: 10.1117/12.783036
Show Author Affiliations
Chaojun Yang, Jiangsu Univ. (China)
Yongkang Zhang, Jiangsu Univ. (China)
Jianzhong Zhou, Jiangsu Univ. (China)
Fang Zhang, Shazhou Vocational Institute of Technology (China)
Aixin Feng, Jiangsu Univ. (China)


Published in SPIE Proceedings Vol. 6722:
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies

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