Acoustic Emission: identification of the acoustic signature of damage mechanisms and lifetime prediction

被引：0
|
作者：
Godin, N. [1 ]
Deschanel, S. [1 ]
Courbon, J. [1 ]
机构：
[1] Univ Lyon, CNRS, INSA Lyon, MATIES,UMR 5510, 7 Ave J Capelle, F-69621 Villeurbanne, France
来源：
MATERIAUX & TECHNIQUES | 2009年 / 97卷 / 01期
关键词：
Acoustic emission; multivariate statistical analysis; lifetime; power law;
D O I：
10.1051/mattech/2009011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this article, we present the possibility to identify in real time the acoustic signature of damage mechanisms occurring in a structure from the monitoring of acoustic emission and a multivariate statistical analysis. Two examples of application are given, one to long-fiber-reinforced organic matrix composites, the other to metastable metallic alloys. Finally, we briefly discuss the access to the lifetime prediction of a structure from the acoustic emission data.
引用
收藏
页码：35 / 42
页数：8
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