361 The Component Separation Method of the Dynamic J Integral for Evaluating Mixed-Mode Stress Intensity Factors in Dynamic Interfacial Fracture Mechanics Problems

2000 ◽  
Vol 2000.13 (0) ◽  
pp. 345-346
Author(s):  
Toshihisa NISHIOKA ◽  
Qi hua HU ◽  
Sheng ping SHEN ◽  
Takehiro FUJIMOTO
Keyword(s):  
Stress Intensity ◽  
Fracture Mechanics ◽  
Stress Intensity Factors ◽  
Mixed Mode ◽  
J Integral ◽  
Intensity Factors ◽  
Interfacial Fracture Mechanics ◽  
Dynamic J Integral ◽  
Mode Stress ◽  
Component Separation Method

Mixed Mode Interface Cracks in a Bi-Material Half Plane and a Bi-Material Strip

1999 ◽  
Author(s):  
Haiying Huang ◽  
George A. Kadomateas ◽  
Valeria La Saponara
Keyword(s):  
Stress Intensity ◽  
Free Boundary ◽  
Half Plane ◽  
Stress Intensity Factors ◽  
Mixed Mode ◽  
Infinite Strip ◽  
Infinite Plane ◽  
Intensity Factors ◽  
Interface Cracks ◽  
Mode Stress

Abstract This paper presents a method for determining the dislocation solution in a bi-material half plane and a bi-material infinite strip, which is subsequently used to obtain the mixed-mode stress intensity factors for a corresponding bi-material interface crack. First, the dislocation solution in a bi-material infinite plane is summarized. An array of surface dislocations is then distributed along the free boundary of the half plane and the infinite strip. The dislocation densities of the aforementioned surface dislocations are determined by satisfying the traction-free boundary conditions. After the dislocation solution in the finite domain is achieved, the mixed-mode stress intensity factors for interface cracks are calculated based on the continuous dislocation technique. Results are compared with analytical solution for homogeneous anisotropic media.

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