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Texture characteristics controlled by single slip plane slipping in the warm-rolled Fe-14Mn-5Si-9Cr-5Ni shape memory alloy

Published online by Cambridge University Press:  31 January 2011

H. Li*
Affiliation:
Key Laboratory for Anisotropy and Texture of Materials, Northeastern University, Shenyang 110004, People's Republic of China; and Innovative Materials Engineering Laboratory, National Institute for Materials Science, Tsukuba 305-0047, Japan
T. Sawaguchi
Affiliation:
Innovative Materials Engineering Laboratory, National Institute for Materials Science, Tsukuba 305-0047, Japan
X. Zhao
Affiliation:
Key Laboratory for Anisotropy and Texture of Materials, Northeastern University, Shenyang 110004, People's Republic of China
K. Tsuzaki
Affiliation:
Innovative Materials Engineering Laboratory, National Institute for Materials Science, Tsukuba 305-0047, Japan
*
a) Address all correspondence to this author. e-mail: li.he@nims.go.jp
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Abstract

To clarify the texture evolution mechanism of Fe-Mn-Si-based shape memory alloys, the rolling texture of an Fe-14Mn-5Si-9Cr-5Ni shape memory alloy is investigated during rolling to a final reduction of 82% at 873 K. A new rolling texture caused by single slip plane slipping is observed from such alloy, which is different from the conventional copper-type and brass-type textures. By means of the {111} pole figure scattering analysis of the local deformation structure, we conclude that such single slip plane slipping results in the weakness of brass orientation in the α fiber and the great enhancement of β fiber connecting S′ {331}<213> and B′ orientations {110}<114>.

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Copyright
Copyright © Materials Research Society 2009

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