Abstract
The problems of distortion and residual stresses in and around a welded joint are of major concern in heavy industry. In the present work, a formula for weld induced angular distortion, in terms of weld parameters such as heat input and plate thickness, is developed analytically using an infinite laminated plate theory to consider an elliptical cylindrical inclusion with an eigenstrain. The source of angular distortion in weldments is the plastic strains that are caused by non-uniform temperature gradient. The distributions of the plastic strain corresponding to the eigenstrain are determined using Rosenthal's solution, which describes temperature distributions. Comparison of the calculated results with the experimental data shows the accuracy and validity of the proposed method.
Published Version
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