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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 17    No. 3    June 2007

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Evolution of {001}〈 110〉orientation and related lattice rotation of Al alloy 6111 during rolling
CHEN Yang(陈 扬)1,2, TIAN Ni(田 妮)1, ZHAO Gang(赵 刚)1,
LIU Chun-ming(刘春明)1, ZUO Liang(左 良)1

1. School of Materials and Metallurgy, Northeastern University,
Shenyang 110004, China;
2. School of Materials and Chemical Engineering, Liaoning Institute of Technology, Jinzhou 121001, China

Abstract:The texture evolution and lattice rotation in Al alloy 6111 with an initial {001}〈 110〉 component during symmetrical and asymmetrical rolling were investigated by means of orientation distribution function(ODF). The results show that the as-rolled initial {001}〈 110〉 orientation evolves into not only the copper orientation but also all the other orientations along the β fiber, including the brass orientation, by lattice rotation around special directions. Compared with the symmetrical rolling, the {001}〈 110〉 component in the surface layer on the slower roller side evolves more quickly into the orientations along the β fiber during asymmetrical rolling, while that in the surface layer on the faster roller side evolves more slowly.

 

Key words: Al alloy; symmetrical rolling; asymmetrical rolling; {001}〈 110〉 orientation

ISSN 1672-7029
CN 43-1423/U

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