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Asymptotic analysis of cold sandwich rolling
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Cawthorn, C. J., Minton, J. J. and Brambley, Edward J. (2016) Asymptotic analysis of cold sandwich rolling. International Journal of Mechanical Sciences, 106 . pp. 184-193. doi:10.1016/j.ijmecsci.2015.12.012
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Official URL: http://dx.doi.org/10.1016/j.ijmecsci.2015.12.012
Abstract
An analytical model for the cold rolling of sandwich sheets is proposed, assuming a rigid-plastic flow rule and Coulomb friction. Asymptotic analysis is used to solve the equations based on the assumptions of small aspect ratio and friction coefficient. This model relaxes the assumption, crucial to slab methods, that the stresses are uniformly distributed through the thickness of each material layer. Thus, our model is able to predict the through-thickness velocity and stress distributions. The leading-order behaviour is shown to be consistent with the slab method, and the predictions are compared with finite element simulations. Computation times are orders of magnitude smaller than finite element calculations.
| Item Type: | Journal Article | |||||||||||||||
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| Subjects: | Q Science > QA Mathematics T Technology > TA Engineering (General). Civil engineering (General) T Technology > TN Mining engineering. Metallurgy T Technology > TS Manufactures |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Mathematics Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) |
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| Library of Congress Subject Headings (LCSH): | Rolling (Metal-work) , Asymptotic expansions, Sandwich construction, Sheet-metal | |||||||||||||||
| Journal or Publication Title: | International Journal of Mechanical Sciences | |||||||||||||||
| Publisher: | Pergamon Press | |||||||||||||||
| ISSN: | 0020-7403 | |||||||||||||||
| Official Date: | February 2016 | |||||||||||||||
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| Volume: | 106 | |||||||||||||||
| Page Range: | pp. 184-193 | |||||||||||||||
| DOI: | 10.1016/j.ijmecsci.2015.12.012 | |||||||||||||||
| Status: | Peer Reviewed | |||||||||||||||
| Publication Status: | Published | |||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||||||||
| RIOXX Funder/Project Grant: |
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