一维六方压电准晶体的不透水裂纹分析

2019 Symposium on Piezoelectrcity,Acoustic Waves and Device Applications (SPAWDA) Pub Date : 2019-01-01 DOI:10.1109/SPAWDA.2019.8681801

Shuai Chen, Qiaoyun Zhang, GuangTao Xu, C. Fan

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引用次数: 0

摘要

本文分析了一维六边形压电准晶体中的一种电不渗透裂纹模型，并利用扩展的Stroh形式导出了该模型的解。然后，得到了扩展强度因子。扩展应力、裂纹尖端附近扩展裂纹张开位移、j积分或能量释放率均由强度因子表示。通过数值计算研究了右裂纹尖端附近的扩展应力分布以及不同场载荷对能量释放率的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis of Impermeable Crack in One-Dimensional Hexagonal Piezoelectric Quasicrystal

In this paper, we analyze an electrically impermeable crack model in one-dimensional (1D) hexagonal piezoelectric quasicrystal and derive the solutions in terms of the extended Stroh formalism. Then, the extended intensity factor is obtained. The extended stress, extended crack opening displacement near the crack tip, and J-integral or energy release rate are all expressed by the intensity factor. Numerical calculations are used to investigate the distributions of extended stress near the right crack tip and the influence of different field loads on the energy release rate.

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2019 Symposium on Piezoelectrcity,Acoustic Waves and Device Applications (SPAWDA)

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