Evaluation of the acoustic nonlinearity parameter of materials with Rayleigh waves excited directly |
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| Authors: | SHUI Guoshuang WANG Yuesheng Jianmin Qu Jin-Yeon Kim Laurence J.Jacobs |
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| Affiliation: | SHUI Guoshuang~1 WANG Yuesheng~1 Jianmin Qu~2 Jin-Yeon Kim~2 Laurence J.Jacobs~2 (1 Institute of Engineering Mechanics,Beijing Jiaotong University Beijing 100044) (2 School of Mechanical Engineering,Georgia Institute of Technology Atlanta,Georgia 30332-0405,USA) |
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| Abstract: | An experimental technique for the determination of the relative acoustic nonlinearity parameter of materials with Rayleigh waves excited directly is presented.Rayleigh surface waves were directly generated in materials by the specific piezoelectric transducer fixed at the specimen's edge,and were measured with a laser interferometer system.After the Rayleigh wave signals were processed with FFT method,the relative acoustic nonlinearity parameter of materials was then determined from the absolute magnitudes ... |
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