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RESEARCH PAPERS

Thermomechanical Analysis of the Welding Process Using the Finite Element Method

[+] Author and Article Information
E. Friedman

Westinghouse Electric Corp., Bettis Atomic Power Laboratory, West Mifflin, Pa.

J. Pressure Vessel Technol 97(3), 206-213 (Aug 01, 1975) (8 pages) doi:10.1115/1.3454296 History: Received March 28, 1975; Online October 25, 2010

Abstract

Analytical models are developed for calculating temperatures, stresses and distortions resulting from the welding process. The models are implemented in finite element formulations and applied to a longitudinal butt weld. Nonuniform temperature transients are shown to result in the characteristic transverse bending distortions. Residual stresses are greatest in the weld metal and heat-affected zones, while the accumulated plastic strain is maximum at the interface of these two zones on the underside of the weldment.

Copyright © 1975 by ASME
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