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


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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