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Effects of Welding Procedures on Residual Stresses of T-Joints(Mechanics, Strength & Structure Design)

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The residual stress distributions of T-joints and the effects of welding procedures are analyzed with the aids of ABAQUS. The main results are described as follows. 1) In T-Joints the weld toe and root are subjected to serious tensile residual stresses. 2) Simultaneous welding in same direction has some beneficial effect on the reduction of the longitudinal residual stress. 3) The undermatching weld has unfavorable effects on the transverse residual stress at the weld toe of the flange. 4) Preheating is beneficial for the transverse residual stress of the weld toe. 5) The welding sequence has some effects on the residual stresses of the weld toe. The later welds can release the residual stresses of the former welds to some extent, especially for the transverse stress. 6) Backstep welding can reduce some of the longitudinal residual stress of the weld. 7) For the transverse residual stress of the transverse weld toe, longer transverse welds are better than short welds.


  • Trans. JWRI

    Trans. JWRI 25 81-89, 1996

    Osaka University

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