首页|Study on the Distribution of Residual Stresses for Nondestructive Marking by Laser Shock Wave

Study on the Distribution of Residual Stresses for Nondestructive Marking by Laser Shock Wave

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  • Trans Tech Publications Ltd
The marking system by laser shock wave (LSW) based on liquid crystal mask, which differs entirely from marking by laser ablation (or laser thermal effect), was established. Two-dimension (2D) nondestructive markings based on liquid crystal mask were prepared by LSW, and the distribution of residual stresses in laser-shocked region was measured and analyzed. The results showed that tensile residual stresses of sample surface were converted into compressive residual stresses by LSW, which is a nondestructive marking for aviation key parts.

laser shock wave (LSW)liquid crystal masklaser markingresidual stressnondestructive

J.Z. Lu、K.Y. Luo、P.P. Yuan、S.M.Yin、Y.K.Zhang

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School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China Jiangsu Provincial Key Laboratory for Science and Technology of Photon Manufacturing, Zhenjiang, 212013, China

School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China

Jiangsu Provincial Key Laboratory for Science and Technology of Photon Manufacturing, Zhenjiang, 212013, China

2010

10.4028/www.scientific.net/KEM.426-427.454

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.426/427
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