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The dynamic fracture behavior of a functionally graded coating-substrate system

机译:功能梯度涂层-基材系统的动态断裂行为

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摘要

The dynamic fracture behavior of a functionally graded coating-substrate system with an internal crack perpendicular to the interface is studied under an in-plane impact load. The structure consists of a functionally graded coating and a semi-infinite homogeneous substrate. The crack is located in the functionally graded coating. The mixed boundary value problem is formulated analytically by use of integral transform techniques and singular integral equation. The influences of material constants and the geometry parameters on the dynamic stress intensity factors (SIFs) are studied.
机译:研究了在平面内冲击载荷下内部裂纹垂直于界面的功能梯度涂层基体系统的动态断裂行为。该结构由功能渐变涂层和半无限均匀的基材组成。裂纹位于功能梯度涂层中。利用积分变换技术和奇异积分方程对混合边值问题进行解析解析。研究了材料常数和几何参数对动应力强度因子(SIF)的影响。

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