Abstract
The failure of an assembly made of an epoxy joint between aluminium substrates under thermal and mechanical loadings is addressed. The structure undergoes stress concentrations characterized by singular elastic fields at the end of the interface between the epoxy joint and the aluminium substrates. An already existing onset criterion is extended to thermo-elastic problems and used to predict the failure loading. Numerical results are compared with experimental measures taken from the literature. They exhibit a satisfying agreement but it is clear that a better knowledge of the curing process and then of the residual stresses would allow a better fitting in all cases.
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