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Influence of martensitic transformation on welding residual stress in plates and pipes

Wang, Xue, Hu, Lei, Xu, Qiang, Chen, Dong-xu and Sun, Song-tao (2016) Influence of martensitic transformation on welding residual stress in plates and pipes. Science and Technology of Welding and Joining. ISSN 1362-1718

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Abstract

Martensitic filler metals with low transformation temperatures can efficiently mitigate harmful tensile welding residual stress. It is vital to clarify the difference in the influence of martensitic transformation for different shapes of welded joints. This article outlines the influence of martensitic transformation in a butt-welded plate and a butt-welded pipe which were designed to have the same dimensions of the cross-section perpendicular to weld line. A clear difference in the influence of martensitic transformation was found in these two joints. Longitudinal tensile stress in weld zone is efficiently reduced in both joints, whereas longitudinal tensile stress is formed in base metal near the weld zone in the pipe. A notably greater influence on transverse stress is found in the pipe than in the plate

Item Type: Article
Subjects: Q Science > Q Science (General)
T Technology > T Technology (General)
Schools: School of Computing and Engineering
Related URLs:
Depositing User: Sharon Beastall
Date Deposited: 27 Feb 2017 12:30
Last Modified: 27 Feb 2017 12:30
URI: http://eprints.hud.ac.uk/id/eprint/31325

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