Abstract
This paper first discusses the use of computers in welding, then the development of studies on residual stresses and distortion during welding. Since the late 1960s, computer programs have been developed to analyze transient thermal stresses and metal movement during welding. Systematic research efforts have been carried out at the Massachusetts Institute of Technology on residual stresses and distortion in weldments. A series of computer programs has been developed to calculate residual stresses and distortion in various types of welds. Experimental data have been generated on weldments in various materials and processes; data on steel weldments are presented in this paper.
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