Higher-order analysis of near-tip fields around an interfacial crack between two dissimilar power law hardening materials |
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Authors: | Xia Lin Wang Tzuchiang |
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Institution: | (1) LNM, Institute of Mechanics, Chinese Academy of Sciences, 100080 Beijing, China |
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Abstract: | By means of an asymptotic expansion method of a regular series, an exact higher-order analysis has been carried out for the
near-tip fields of an interfacial crack between two different elastic-plastic materials. The condition of plane strain is
invoked. Two group of solutions have been obtained for the crack surface conditions: (1) traction free and (2) frictionless
contact, respectively. It is found that along the interface ahead of crack tip the stress fields are co-order continuous while
the displacement fields are cross-order continuous. The zone of dominance of the asymptotic solutions has been estimated.
The project supported by the National Natural Science Foundation of China |
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Keywords: | interfacial crack elastic-plastic near-tip fields higher-order asymptotic analysis |
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