| Status | 已發表Published |
| Residual stresses in press-braked stainless steel sections - I: Coiling and uncoiling of sheets | |
Quach, W. M.; Teng, J. G. ; CHUNG, K. F.
| |
| 2009-09-01 | |
| Source Publication | Journal of Constructional Steel Research
 |
| ISSN | 0143-974X |
| Pages | 1803-1815 |
| 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. |
| Keyword | Residual stresses Stainless steel Material anisotropy Plastic bending Coiling Uncoiling Finite element simulation |
| Language | 英語English |
| The Source to Article | PB_Publication |
| PUB ID | 5559 |
| Document Type | Journal article |
| Collection | DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING |
| Corresponding Author | Teng, J. G. |
| 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, 1803-1815. |
| 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, 1803-1815. |
| 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 (2009):1803-1815. |
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