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工程力学  2013 

多铁性非均匀空心层合柱圆弧界面的反平面断裂分析

DOI: 10.6052/j.issn.1000-4750.2012.01.0001, PP. 324-328

Keywords: 多铁性复合材料,功能梯度材料,圆弧界面裂纹,奇异积分方程,应力强度因子

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Abstract:

讨论反平面载荷作用下多铁性非均匀空心层合柱的圆弧界面裂纹问题,层合柱由梯度铁电层和梯度铁磁层粘接而成,界面处存在圆弧型裂纹。采用分离变量和Cauchy核奇异积分方程方法求解该断裂问题。通过讨论断裂参数的数值解,分析了梯度非均匀参数、几何与材料参数变动等对应力强度因子的影响。

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