T-Stress of a Bi-Material Strip Under Generalized Edge Loads

International Journal of Fracture Mechanics - Tập 142 - Trang 315-322 - 2007
Jae-Hyun Kim1,2, Joost J. Vlassak2
1Nano-Mechanical Systems Research Center, Korea Institute of Machinery and Materials(KIMM), Daejeon, South Korea
2Division of Engineering and Applied Sciences, Harvard University, Cambridge, USA

Tóm tắt

An expression for the T-stress in a bi-material strip with a semi-finite interfacial crack is derived for general edge loads using a conservation integral method. The expression is explicit except for two non-dimensional constants, which are determined from a finite element analysis and which are tabulated as a function of the Dundurs’ parameters and the thickness ratio of the strip.

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