Internal damage detection in a laminated composite plate using ultrasonic guided waves

被引：0

作者：

Lissenden, Cliff J. ^{[1
]}

Yan, Fei ^{[1
]}

Hauck, T. ^{[1
]}

Noga, Dawn M. ^{[1
]}

Rose, Joseph L. ^{[1
]}

机构：

[1] Penn State Univ, 212 EES Bldg, University Pk, PA 16802 USA

来源：

REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 26A AND 26B | 2007年 / 894卷

关键词：

fatigue damage; ultrasonics; guided waves; structural health monitoring;

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Fatigue damage in laminated composite plates has been detected using ultrasonic guided waves. The quasi-isotropic plates were subjected to constant amplitude cyclic bending to induce fatigue damage. Cycling was automatically interrupted periodically for ultrasonic monitoring via an array of six piezoelectric sensors. Nine different pitch-catch paths and a frequency range of 100-600 kHz were used to study the effect of damage on guided wave propagation. The signal difference coefficient was consistently able to provide an early indication of damage.

引用

页码：1029 / +

页数：2

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