Residual stresses in press-braked stainless steel sections, I: Coiling and uncoiling of sheets
Quach W.M.2; Teng J.G.1; Chung K.F.1
2009
Source PublicationJournal of Constructional Steel Research
ISSN0143974X
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 BySCI
Language英语
WOS Research AreaConstruction & Building Technology ; Engineering
WOS SubjectConstruction & Building Technology ; Engineering, Civil
WOS IDWOS:000267768700024
The Source to ArticleScopus
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Cited Times [WOS]:37   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorTeng J.G.
Affiliation1.Hong Kong Polytech Univ, Dept Civil & Struct Engn, Hong Kong, Hong Kong, Peoples R China
2.Univ Macou, Dept Civil & Environm Engn, Macao, Peoples R China
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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