Slow interfacial crack growth occurs in epoxy-metal joints when loaded in the presence of water. Previous workers have sought to explain this on the basis of thermodynamic arguments, but this leads to inconsistencies with the results from fracture mechanics studies. A mixed mode failure criterion is proposed in this paper where the strain energy release rate contribution from shrinkage stress is included. This is found to give a more consistent model of joint failure.
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Cherry et al. (1979) studied this question.
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