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Plastic Deformation Behavior of Oriented Ni3V Crystals with D022 Structure

Published online by Cambridge University Press:  26 February 2011

Koji Hagihara ,
Mayumi Mori  and
Yukichi Umakoshi
Koji Hagihara
Affiliation:
hagihara@mat.eng.osaka-u.ac.jp, Osaka University, Division of Materials and Manufacturing Science and Engineering, Graduate School of Engineering, 2-1, Yamada-oka, Suita, Osaka, 565-0871, Japan, +81-6-6879-7496, +81-6-6879-7497
Mayumi Mori
Affiliation:
mayumi.mori@mat.eng.osaka-u.ac.jp, Osaka University, Division of Materials and Manufacturing Science, Graduate School of Engineering, 2-1, Yamada-oka, Suita, Osaka, 565-0871, Japan
Yukichi Umakoshi
Affiliation:
umakoshi@mat.eng.osaka-u.ac.jp, Osaka University, Division of Materials and Manufacturing Science, Graduate School of Engineering, 2-1, Yamada-oka, Suita, Osaka, 565-0871, Japan
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Abstract

Plastic deformation behavior of Ni3V with D022 structure was examined using the single crystals containing two dominant variants of three. Three deformation modes were confirmed to be operative depending on temperature and loading orientation. {111}1/6<112] twinning and/or {111}<110] slip is dominantly operative at low temperatures, but {111}1/2<112] slip is activated at high temperatures accompanied by a rapid drop of yield stress.

Keywords

dislocationsstrengthcrystal
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 980: Symposium II – Advanced Intermetallic-Based Alloys , 2006 , 0980-II05-20
Copyright
Copyright © Materials Research Society 2007

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