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Effect of normal anisotropy on springback

✍ Scribed by Rahul K. Verma; A. Haldar

Book ID
104023537
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
300 KB
Volume
190
Category
Article
ISSN
0924-0136

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✦ Synopsis

Share of high and advanced high strength steels in automobile is increasing, however, such steels generally have poor formability and high amount of springback. One of the focus areas of research in high strength automotive steel is to increase the normal anisotropy to get better formability. Effect of strength and process parameters on springback has been studied by many researchers but that of anisotropy has not been studied by many. In the present work the effect of anisotropy on springback is predicted using finite element analysis for the benchmark problem of

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Springback angles and anticlastic curvatures reported for a series of draw-bend tests have been analyzed in detail using a new anisotropic hardening model, four common sheet metal yield functions, and ΓΏnite element procedures developed for this problem. A common lot of 6022-T4 aluminum alloy was use