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Shear Mechanical Properties Characterization of Material via Ultrasound Vibrometry
Abstract:
Measurement of mechanical properties is very important in material science research area. Shear mechanical properties can be obtained from ultrasound vibromery method. Generally, ultrasound vibrometry is based on Voigt model which cannot describe some viscoelastic material accurately. Our method is based on Zener model, and more precise description of mechanical behavior can be measured. In our work, finite element method and experiment are conducted to validate our approach. Shear wave velocities at harmonics in finite element simulation are very close to the theoretical value and the fitting results from experiment demonstrate that our method has better ability to characterize some materials.
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826-830
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March 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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