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(01 May 2006) FITNET MK7C.15.2 Laser Welded Steel PlatesThis part contains data and charts relating to the distribution of residual stresses in laser-welded steel plates.The data presented here were originally provided by Shuwen Wen (Corus RD&T, Swinden TechnologyCentre) in 2003 in a paper "<strong>Residual</strong> <strong>Stress</strong> in Laser Welds: Measurement and Modelling", which describedthe predictions from 2D generalised plane-strain finite element models of single-pass and two-pass laser buttwelds in 25 mm steel plate typical of products supplied to EN10025 grade S355. The data have been representedhere in terms of absolute stress values and also in terms of the ratios between stresses and theparent metal yield strength.Figure C. 17 – Co-ordinate systems (image)© FITNET 2006 – All rights reserved <strong>Annex</strong> C.53
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