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工程力学  2014 

非理想界面功能梯度压电/压磁层状半空间结构中的SH波

DOI: 10.6052/j.issn.1000-4750.2013.03.0221, PP. 251-256

Keywords: 非理想界面,功能梯度压电层,压磁半空间,,弹簧”,模型,SH波

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Abstract:

研究非理想界面下功能梯度压电/压磁层状半空间结构中SH波的传播特性。界面性能由“弹簧”模型表征,假设功能梯度压电层材料性能沿层厚度方向指数变化,其表面为电学开路。推导了频散方程,并结合数值算例分析了界面性能、功能梯度压电层的梯度变化和厚度对相速度的影响。研究结果对功能梯度压电/压磁复合材料在声波器件中的应用提供了理论依据。

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