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Experimental Evaluation of Springback in Aluminium Alloys Using Optical Measurement and Numerical Analysis
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Bhattacharya, R., Stanton, M., Dargue, I., Aylmore, R. and Williams, G. (2011) Experimental Evaluation of Springback in Aluminium Alloys Using Optical Measurement and Numerical Analysis. In: The 14th International ESAFORM Conference on Material Forming - ESAFORM 2011, Queen's University Belfast, UK, Apr 27-29, 2011. Published in: AIP Conference Proceedings, Vol.1353 pp. 241-246. doi:10.1063/1.3589522 ISSN 0094-243X.
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Official URL: http://dx.doi.org/10.1063/1.3589522
Abstract
The aim of this paper is to establish an efficient and effective means of understanding the springback behaviour of a 5xxx-O and a 6xxx-T61 series aluminium alloy. The tooling used for investigating the springback is a small U-channel stamping draw die using two die radii of 8 or 12 mm and a punch radius of 12 mm. The samples were drawn to depths of 50 or 75 mm with a minimum of 5 samples being drawn for each condition. The U-channel samples were then evaluated using an optical scanning technique and the springback values were calculated using a numerical analysis as developed by one of the authors. The comparison of the sidewall springback, sidewall curl and flange springback under different conditions is conducted and the effect of the draw depth and die radius on the final springback is shown. Statistical analyses of both the drawing condition and the scanning technique are conducted to understand the effect of process variation on the results obtained. The 6xxx series shows higher springback values when compared to 5xxx series alloy. An increase in drawing depth suggests higher springback for both the alloys.
| Item Type: | Conference Item (UNSPECIFIED) | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > T Technology (General) | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
| Journal or Publication Title: | AIP Conference Proceedings | ||||
| Publisher: | American Institute of Physics | ||||
| ISSN: | 0094-243X | ||||
| Official Date: | 2011 | ||||
| Dates: |
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| Volume: | Vol.1353 | ||||
| Page Range: | pp. 241-246 | ||||
| DOI: | 10.1063/1.3589522 | ||||
| Status: | Not Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Title of Event: | The 14th International ESAFORM Conference on Material Forming - ESAFORM 2011 | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Queen's University Belfast, UK | ||||
| Date(s) of Event: | Apr 27-29, 2011 |
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