Modulation Spectroscopy of Acoustic Waves in Solids Containing Contact-Type Cracks

被引：5
|
作者：
Tszeng, T. C. [1 ]
机构：
[1] Santa Clara Univ, Dept Mech Engn, Santa Clara, CA 95053 USA
来源：
JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME | 2013年 / 135卷 / 06期
关键词：
modulation spectroscopy; vibroacoustic; contact crack; nonlinear acoustics; NDT; DAMAGE; NONLINEARITY; INTERFACES;
D O I：
10.1115/1.4025017
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This study examined the characteristics of sidebands in modulation spectroscopy on a high-frequency wave interacting with a defect that imposes a simple switching type disruption caused by a low-frequency, high-amplitude vibration. A simple close form of sideband amplitude is obtained by convolution of a high-frequency probing wave with harmonics of a pulse wave. This study also proposes an experimental procedure based on sideband phases for determining the crack parameters.
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页数：6
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