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A STRIP DAMAGED-PLASTIC ZONE MODEL OF INTERFACE CRACK UNDER TENSION LOADING[J]. Chinese Journal of Theoretical and Applied Mechanics, 1994, 26(3): 284-296. DOI: 10.6052/0459-1879-1994-3-1995-548
Citation: A STRIP DAMAGED-PLASTIC ZONE MODEL OF INTERFACE CRACK UNDER TENSION LOADING[J]. Chinese Journal of Theoretical and Applied Mechanics, 1994, 26(3): 284-296. DOI: 10.6052/0459-1879-1994-3-1995-548

A STRIP DAMAGED-PLASTIC ZONE MODEL OF INTERFACE CRACK UNDER TENSION LOADING

  • A Strip damaged-plaistic zone model of bimaterial interface crack underuniaxial tension loading is proposed in this paper,which is an extension of Dugdale model.It is assumed that the stresses are finite and satisfy the Mises yield condition at the end ofplastic zone,the size of damage zone is proportional to an equivalent crack tip displacementδ=[(CTOD) ̄2+(CTSD) ̄2]1/2.From these conditions the sizes of damage zone and plasticzone,the normal and tangential cohesive stresses,the CTOD and CTSD can be determin...
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