Numerical Analysis of Thermal Stresses During Welding Including Phase Transformation Effects

[+] Author and Article Information
V. J. Papazoglou, K. Masubuchi

Department of Ocean Engineering, Massachusetts Institute of Technology, Cambridge, Mass. 02139

J. Pressure Vessel Technol 104(3), 198-203 (Aug 01, 1982) (6 pages) doi:10.1115/1.3264204 History: Received April 02, 1982; Online November 05, 2009


The problem of determining temperature distributions, transient thermal strains, and residual stresses during butt welding thick plates with the multipass GMAW process is solved using the finite element method. First, a nonlinear heat transfer analysis is performed taking into account the temperature dependence of the material properties, and convection and radiation surface heat losses. This is followed by a thermo-elastic-plastic stress analysis that incorporates phase transformation strains. Finally, the theoretical predictions are compared with experimentally obtained data showing good correlation.

Copyright © 1982 by ASME
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