Abstract
A semi-analytical solution method has been used to determine the stresses and damage in a three-material plate, subjected to a bi-axial stress state, under elastic-creep conditions. A multi-axial Norton law was used for creep with the inclusion of a Kachanov type damage parameter. Stress and damage results were obtained under plane stress and plane strain conditions and these are compared with those obtained from finite element (FE) analyses. The practical application of the results to welded plates, under high temperature creep conditions, is included and discussed.
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