Abstract
The development of stresses and strains during butt welding of a thin walled pipe is followed numerically by use of the finite element method (FEM) and, in parallel, measured experimentally. Three different FE-models of the pipe, one fully three dimensional, one rotationally symmetric and one shell type, were used in the numerical part of the study. For all three models the pipe material was taken as thermo-elasto-plastic with strongly varying temperature dependent material properties. Calculated results for the weld metal and HAZ were found to be heavily dependent on the constitutive modelling of the final phase transformation. The qualitatively best agreement with the experiments for the residual stress field was obtained with a simplified FE-model which did not consider such effects. During welding, the transient stress field was found to be strongly rotationally nonsymmetric.
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© 1989 Elsevier Science Publishers Ltd
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Josefson, L., Jonsson, M., Karlsson, L., Karlsson, R., Karlsson, T., Lindgren, LE. (1989). Transient and Residual Stresses in a Single-Pass Butt Welded Pipe. In: Beck, G., Denis, S., Simon, A. (eds) International Conference on Residual Stresses. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1143-7_83
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DOI: https://doi.org/10.1007/978-94-009-1143-7_83
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-7007-2
Online ISBN: 978-94-009-1143-7
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