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Title: Nonlinear finite element analysis of crack growth at the interface of rubber-like bimaterials
Authors: Yang, X
Fu, M 
Wang, X
Liu, X
Issue Date: 2011
Source: Science China. Physics, mechanics and astronomy, 2011, p. 1-9
Abstract: This paper presents the characteristics of the crack growth at the interface of rubber-rubber and rubber-steel bimaterials under tensile deformation using the non-linear finite element method. By using the commercial finite element software ABAQUS, the J integral calculations are carried out for the initial interface crack in the interfaces in-between two Neo-Hookean materials, two Mooney-Rivlin materials, Neo-Hookean and Mooney-Rivlin rubbers, Neo-Hookean and Polynomial, Mooney-Rivlin and Polynomial, and the Mooney-Rivlin and steel bi-materials. The computational results of the maximum J integral direction around the crack tip illustrate the possible direction of crack growth initiation. Furthermore, it is found that the crack bends to the softer rubber material at a certain angle with the initial crack direction if the crack depth is relatively small. For the crack with a larger depth, the crack propagates to grow along the interface in-between the bimaterials.
Keywords: bimaterials
crack growth
interface crack
J integral
non-linear finite element method
rubber-like materials
Publisher: Science in China Press
Journal: Science China. Physics, mechanics and astronomy 
ISSN: 1674-7348
DOI: 10.1007/s11433-011-4444-4
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