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《Journal of Transcluction Technology》 2005-02
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Propagation Characters of SH Wave in Elastic Plate and its Generation Method of Electromagnetic Acoustic Transducers

ZHANG Zhi-gang, QUE Pei-wen, LEI Hua-ming(Department of Information Measurement Technology and Instruments, Shanghai Jiaotong University, Shanghai 200030, China)  
The investigation of propagation characters of SH wave and its exciting and receiving method has great value for the application in NDE and acoustic-elastic techniques. Firstly, the multimode and dispersion relations are specialized. And the EMAT's structure and basis theory for SH wave generation in non-ferromagnetic materials is also researched. Some acoustic and electric characters are analyzed through experiments. The conclusions are shown that SH wave has some unique characters over other waves, and the EMAT technique is very fit for SH waves generation.
【CateGory Index】: TH878;
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