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Updated: May 10, 2026

Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy
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Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy

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开发了一种压 - 激光多普勒振动仪传感方法,用于表征剪切波分散和局部粘弹性特性分布

Bowen Cai1,2, Teng Li3, Luyu Bo3

  • 1Department of Aerospace Engineering, Mississippi State University, Mississippi State, MS, 39762, USA.

Mechanical systems and signal processing
|May 13, 2024
PubMed
概括

这项研究引入了激光多普勒振动计 (LDV) 系统和波场分析,用于表征粘弹性材料. 开发的方法成功地绘制了软组织中的剪切波分散和局部材料特性.

关键词:
频率 - 波数分析激光多普勒振动仪的振动计.材料属性的表征材料属性的表征压电堆 压电堆剪切波是一种剪切波.波场分析 波场分析

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Elastic Strain Energy for Shearing Stresses01:20

Elastic Strain Energy for Shearing Stresses

As discussed in previous lessons, strain energy in a material is the energy stored when it is elastically deformed, a concept crucial in materials science and mechanical engineering. This energy results from the internal work done against the cohesive forces within the material. When a material undergoes shearing stress and corresponding shearing strain, the strain energy density, which is the energy stored per unit volume, is calculated. Within the elastic limit, where the stress is...