PLANAR SHEAR HORIZONTAL GUIDED WAVE INSPECTION OF A PLATE USING PIEZOELECTRIC FIBER TRANSDUCERS

被引:2
|
作者
Soorgee, M. H. [1 ,2 ]
Lissenden, C. J. [1 ]
Rose, J. L. [1 ]
Yousefi-Koma, A. [2 ]
机构
[1] Penn State, Dept Engn Sci & Mech, Ultrason Res & Dev Lab, 212 EES Bldg, University Pk, PA 16802 USA
[2] Univ Tehran, Sch Mech Engn, Adv Dynam & Control Syst Lab, Tehran 14174, Iran
基金
美国国家科学基金会;
关键词
Planar Shear Horizontal Guided Waves; Piezoelectric Fiber Transducers;
D O I
10.1063/1.4789052
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Fundamental Shear Horizontal (SH0) guided waves have been simulated using finite element software in order to locate a crack in a plate structure. Long but narrow piezoelectric fiber composite strips have been considered as transducers to excite and receive SH guided waves. A segmented transducer, which enables piecewise sensing, has been shown by finite element analysis to be capable of locating a tiny through-thickness crack. The main benefits are that SH waves could be used to inspect fluid loaded structures and that it is possible to detect a crack oriented parallel to the wave vector.
引用
收藏
页码:223 / 229
页数:7
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