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Texture and Correlation between R-Value and Formability of Aluminum Alloy Sheet

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Abstract:

The texture, microstructure, plastic strain ratio r value, elongation, strain hardening index n, the value of cupping test IE, and the correlation between r value and the other formability indices of two automotive aluminum alloys sheet 6016 and 6181, and commercial pure aluminum sheet were investigated. The results showed that the recrystallization textures of three aluminum alloys sheet are similar to each other, which mainly contain cube component. However, the r and n value, elongation, and IE of three aluminum alloys sheet are different from each other evidently, and there is no correlation between texture and r value, and the other formability indices except the n value. The large quantity of second-phase particles in the aluminum alloy matrix has very important effect on both the r value and the formability of aluminum alloy sheet.

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Periodical:

Materials Science Forum (Volumes 702-703)

Pages:

356-359

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.702-703.356

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Online since:

December 2011

Authors:

Ni Tian, Gang Zhao, Bo Nie, Jian Jun Wang, Liang Zuo, Chun Ming Liu

Keywords:

Aluminium Alloy Sheet, Formability, R-Value, Texture

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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