Journal
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING
Volume 85, Issue 4, Pages 265-274Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijpvp.2007.07.003
Keywords
finite element simulation; welding distortion; welding sequence; welding modelling
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This paper presents a three-dimensional thermo-mechanical analysis to investigate the effect of welding sequence on welding deformations in pipe-pipe joints of AISI stainless-steel type. Single-pass TIG welding with V-joint geometry in pipes having a diameter of 274mm and a thickness of 6.2mm is studied here. Nine different welding sequences are analysed. The finite element results are compared with experimental data. It has been shown that selecting a suitable welding sequence can substantially decrease the amount of welding distortions in this pipe geometry. (C) 2007 Published by Elsevier Ltd.
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