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TiC-Ni系功能梯度材料的断裂力学有限元分析

, PP. 87-92

Keywords: 功能梯度材料,有限元素法,应力强度因子,应变能

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Abstract:

根据实验结果给出了功能梯度材料热物性参数的估计模型,用有限元素法研究了含有垂直于梯度方向裂纹的功能梯度材料,分别考虑了机械载荷、均匀热载荷以及非均匀热载荷作用下,梯度分布指数对裂纹尖端应力强度因子、应变能密度以及裂纹扩展角的影响。

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