Residual stress distributions in welded stainless steel sections

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Title: Residual stress distributions in welded stainless steel sections
Authors: Yuan, HX
Wang, YQ
Shi, YJ
Gardner, L
Item Type: Journal Article
Abstract: Residual stress magnitudes and distributions in structural stainless steel built-up sections have been comprehensively investigated in this study. A total of 18 test specimens were fabricated from hot-rolled stainless steel plates by means of shielded metal arc welding (SMAW). Two grades of stainless steel were considered, namely the austenitic grade EN 1.4301 and the duplex grade EN 1.4462. Using the sectioning method, the test specimens were divided into strips. The residual stresses were then computed by multiplying the strains relieved during sectioning by the measured Young׳s moduli determined from tensile and compressive coupon tests. Residual stress distributions were obtained for 10 I-sections, four square hollow sections (SHS) and four rectangular hollow sections (RHS). Peak tensile residual stresses reached around 80% and 60% of the material 0.2% proof stress for grades EN 1.4301 and EN 1.4462, respectively. Based upon the test data, simplified predictive models for residual stress distributions in stainless steel built-up I-sections and box sections were developed. Following comparisons with other available residual stress test data, the applicability of the proposed models was also extended to other stainless steel alloys. The proposed residual stress patterns are suitable for inclusion in future analytical models and numerical simulations of stainless steel built-up sections.
Issue Date: 22-Feb-2014
Date of Acceptance: 24-Jan-2014
URI: http://hdl.handle.net/10044/1/43945
DOI: https://dx.doi.org/10.1016/j.tws.2014.01.022
ISSN: 0263-8231
Publisher: Elsevier
Start Page: 38
End Page: 51
Journal / Book Title: Thin-Walled Structures
Volume: 79
Copyright Statement: © 2014 Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Keywords: Science & Technology
Technology
Engineering, Civil
Engineering
ENGINEERING, CIVIL
Built-up section
Experiments
Predictive models
Residual stress
Sectioning method
Stainless steel
Civil Engineering
0901 Aerospace Engineering
0905 Civil Engineering
0913 Mechanical Engineering
Publication Status: Published
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering



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