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An inductive procedure for determining the stresses in multi-material components under steady state creep

A general formulation obtained based on an inductive procedure is presented for the stress distribution in multi-material power-law creeping structures. The ratios of the nominal creep rates for the various materials are explicitly included in the formulation. It is only necessary to define the effects of the stress exponent n. The results are generalized to the case where n varies between materials. The formulation allows the effects of the material properties to be easily assessed and the results of parametric analyses to be presented in compact and easily manageable forms.