Damage mechanisms interpreted by acoustic emission signal analysis

被引：13
作者：
Carpinteri, A. [1 ]
Lacidogna, G. [1 ]
Manuello, A. [1 ]
机构：
[1] Politecn Torino, Dept Struct Engn & Geotech, Cso Duca Abruzzi 24, I-10129 Turin, Italy
来源：
DAMAGE ASSESSMENT OF STRUCTURES VII | 2007年 / 347卷
关键词：
acoustic emission; damage localization; critical phenomena; experimental tests;
D O I：
10.4028/www.scientific.net/KEM.347.577
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Acoustic emissions (AE) are ultrasonic waves generated by the rapid release of energy from discontinuities or cracks spreading in materials subject to a stress and strain field. By identifying the complete shape of the signals and taking into account a larger quantity of data, it becomes possible to ascertain the three-dimensional location of damage sources from AE sensor records. In this connection, the authors have fine-tuned an original procedure that uses seismic analysis techniques, such as the moment-tensor solution. The experimental program consisted of tests conducted in situ on masonry walls of historical buildings.
引用
收藏
页码：577 / +
页数：2
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