MEASUREMENT OF ACOUSTIC NONLINEARITY OF DAMAGED METAL

被引：4
|
作者：
Vanyagin, A. V. [1 ]
Rodyushkin, V. M. [2 ]
机构：
[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod, Russia
[2] Russian Acad Sci, Inst Problems Mech Engn, Nizhnii Novgorod, Russia
来源：
MEASUREMENT TECHNIQUES | 2018年 / 60卷 / 10期
关键词：
elastic wave; nonlinearity; damage; metal; nondestructive testing;
D O I：
10.1007/s11018-018-1312-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A technique for measuring the index of nonlinearity of a probing signal is proposed, and an ultrasonic device to implement this technique is described. The high sensitivity of the measured index to metal damage is shown. The characteristics of the device make it possible to use it as a means of nondestructive testing of metal in production conditions at industrial facilities.
引用
收藏
页码：1028 / 1031
页数：4
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