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Residual stresses in press-braked stainless steel sections, I: Coiling and uncoiling of sheets
Quach W.M.1; Teng J.G.2; Chung K.F.2
2009-08-01
Source PublicationJournal of Constructional Steel Research
ISSN1873-5983
Volume65Issue:2018-08-09Pages:1803
Abstract

The manufacturing process of cold-formed thin-walled steel members induces cold work which can be characterized by the co-existent residual stresses and equivalent plastic strains and has a significant effect on their structural behaviour and strength. The present paper and the companion paper are concerned with the prediction of residual stresses and co-existent equivalent plastic strains in stainless steel sections formed by the press-braking method. This manufacturing process consists of the following two distinct stages: (i) coiling and uncoiling of the sheets, and (ii) press-braking operations. This paper presents an analytical solution for the residual stresses and co-existent equivalent plastic strains that arise from the first stage. In the analytical solution, the coiling-uncoiling stage is modelled as an inelastic plane strain pure bending problem; the stainless steel sheets are assumed to obey Hill's anisotropic yield criterion with isotropic hardening to account for the effects of material anisotropy and nonlinear stress-strain behaviour. The accuracy of the solution is demonstrated by comparing its predictions with those obtained from a finite element analysis. The present analytical solution and the corresponding analytical solution for press-braking operations presented in the companion paper form an integrated analytical model for predicting residual stresses and equivalent plastic strains in press-braked stainless steel sections. © 2009 Elsevier Ltd. All rights reserved.

KeywordCoiling Finite Element Simulation Material Anisotropy Plastic Bending Residual Stresses Stainless Steel Uncoiling
DOI10.1016/j.jcsr.2009.04.007
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaConstruction & Building Technology ; Engineering
WOS SubjectConstruction & Building Technology ; Engineering, Civil
WOS IDWOS:000267768700024
The Source to ArticleScopus
Scopus ID2-s2.0-67349212837
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Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorTeng J.G.
Affiliation1.University of Macau, Macau, China
2.The Hong Kong Polytechnic University, Hong Kong, China
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Quach W.M.,Teng J.G.,Chung K.F.. Residual stresses in press-braked stainless steel sections, I: Coiling and uncoiling of sheets[J]. Journal of Constructional Steel Research, 2009, 65(2018-08-09), 1803.
APA Quach W.M.., Teng J.G.., & Chung K.F. (2009). Residual stresses in press-braked stainless steel sections, I: Coiling and uncoiling of sheets. Journal of Constructional Steel Research, 65(2018-08-09), 1803.
MLA Quach W.M.,et al."Residual stresses in press-braked stainless steel sections, I: Coiling and uncoiling of sheets".Journal of Constructional Steel Research 65.2018-08-09(2009):1803.
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