SHOCK WAVE PROPAGATION AND SPALLATION STUDY IN LASER SHOCK PEENING

被引：0
|
作者：
Cao, Yunfeng [1 ]
Shin, Yung C. [1 ]
机构：
[1] Purdue Univ, Sch Mech Engn, Ctr Laser Based Mfg, W Lafayette, IN 47907 USA
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL MANUFACTURING SCIENCE AND ENGINEERING CONFERENCE, VOL 1 | 2009年
关键词：
INTERFEROMETRY TECHNIQUE; SIMULATION; ALUMINUM; TARGETS;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
This paper deals with the spallation induced by shock wave propagation in targets during the laser shock peening process. Physical aspects concerning laser-matter interaction, shock wave propagation, and spallation are considered. A continuous kinetic model for the spallation process is included in a one-dimensional finite difference hydrodynamic code using Lagrangian coordinates in order to calculate the laser-induced spallation phenomena. Shock wave propagation in solids is calculated and validated by experimental data. The spallation zone location is then calculated for various materials with different thickness of foils and various laser shock peening parameters. The numerical simulations are compared with previously reported experimental results, and good agreement is obtained for the spallation threshold and damage zone location.
引用
收藏
页码：753 / 762
页数：10
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