MONITORING FATIGUE CRACKS IN ALUMINUM JOINTS WITH ULTRASONIC GUIDED WAVES

被引：2
作者：
Cho, H. [1 ]
Lissenden, C. J. [1 ]
机构：
[1] Penn State Univ, University Pk, PA 16802 USA
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 30A AND 30B | 2011年 / 1335卷
关键词：
Ultrasonic Guided Waves; Fatigue Cracks; Structural Health Monitoring; Piezoelectric Transducers; LAMB WAVES; SCATTERING; PLATES;
D O I：
10.1063/1.3591850
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Experiments are conducted on aluminum plates containing fastener holes as well as aluminum plates containing a bolted joint. Cyclic mechanical loading is interrupted to perform structural health monitoring with the S0 fundamental Lamb wave mode. An array of surface bonded piezoelectric disk transducers having a pair of transducers at each of five bolt holes is employed. A correlation between the transmission coefficient and crack size is suggested by the data.
引用
收藏
页码：145 / 152
页数：8
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