一维压电准晶体裂纹的权函数

2016 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA) Pub Date : 2016-10-01 DOI:10.1109/SPAWDA.2016.7829991

Di Wu, Liangliang Zhang, Yang Gao

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引用次数: 0

摘要

将Lekhniskii理论推广到一维压电准晶体的研究中。考虑具有单一裂纹的准晶在无穷远处受均匀载荷作用时，得到了场强因子和应变能释放率。在裂纹尖端附近施加点力时，导出了权函数。得到了压电准晶体在点力和点电荷作用下的场强因子，并分析了材料常数对场强因子的影响。

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Weight function for cracks in one-dimensional piezoelectric quasicrystals

Lekhniskii theory is extended to the researches on one-dimensional piezoelectric quasicrystals. Considering the quasicrystals with a single crack subjected to uniform loads at infinity, the field intensity factors and strain energy release rate are obtained. The weight function is derived when the point forces are applied near the crack tip. The field intensity factors of piezoelectric quasicrystals subjected to the point force or point charge are obtained, and the influences of material constants on the field intensity factors are analyzed.

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2016 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA)

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