Effects of inside spallation of a coating on the debonding of its interface with a substrate subjected to a laser shock

被引：6
|
作者：
Boustie, M
Auroux, E
Romain, JP
Jeandin, M
机构：
[1] CNRS, Lab Combust & Deton, ENSMA, F-86961 Futuroscope, France
[2] Ecole Natl Super Mines, Ctr Mat Pierre Marie Fourt, F-91003 Evry, France
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2002年 / 14卷 / 44期
关键词：
Laser shock - Rupture - Shock wave propagation - Spallation - Traction;
D O I：
10.1088/0953-8984/14/44/387
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
When applying a laser shock to a substrate with a coating in order to test the adhesion strength of the interface, traction can be generated not only at the interface, but also within the materials. The effects of a possible rupture of these materials prior to the debonding is analysed by shock wave propagation mechanisms and experimentally evidenced for plasma sprayed coatings of alumina on an aluminium substrate. An estimate of the bond strength and the spall strength of the coating is obtained by numerical Simulation.
引用
收藏
页码：10839 / 10842
页数：4
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