The crack tip fields of Mode II stationary growth crack on bimaterial interface

Li-qiang Tang , Chang-hai Liu , Gui Zheng

Journal of Marine Science and Application ›› 2003, Vol. 2 ›› Issue (2) : 11 -16.

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Journal of Marine Science and Application ›› 2003, Vol. 2 ›› Issue (2) : 11 -16. DOI: 10.1007/BF02918658
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The crack tip fields of Mode II stationary growth crack on bimaterial interface

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Abstract

A mechanical model is established for mode II interfacial crack static growing along an elastic-elastic power law creeping bimaterial interface. For frictional contact of boundary conditions on crack faces, asymptotic solutions of the stresses and strains of near tip-crack are got. It was shown that in stable creep growing phase, elastic deformation and viscous deformation are equally dominant in the near-tip field, the stress and strain have the same singularity and there is not the oscillatory singularity the field. Through numerical calculation, it is shown that the frictional coefficientη notably influence the crack-tip field.

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an elastic-elastic power law creeping material / near-tip field of mode II interfacial crack / the frictional effect

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Li-qiang Tang, Chang-hai Liu, Gui Zheng. The crack tip fields of Mode II stationary growth crack on bimaterial interface. Journal of Marine Science and Application, 2003, 2(2): 11-16 DOI:10.1007/BF02918658

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