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Influence of electropulsing treatment on the recrystallization and texture of Ni9W alloy strip

Published online by Cambridge University Press:  27 January 2014

Jianan Liu ,
Wei Liu ,
Guoyi Tang  and
Rufei Zhu
Jianan Liu
Affiliation:
Advanced Materials Institute and Clearer Production Key Laboratory, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China; and Department of Materials Science and Engineering, Key Laboratory of Advanced Materials, Tsinghua University, Haidian District, Beijing 100084, China
Wei Liu
Affiliation:
Department of Materials Science and Engineering, Key Laboratory of Advanced Materials, Tsinghua University, Haidian District, Beijing 100084, China
Guoyi Tang*
Affiliation:
Advanced Materials Institute and Cleaner Production Key Laboratory, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China; and Department of Materials Science and Engineering, Key Laboratory of Advanced Materials, Tsinghua University, Haidian District, Beijing 100084, China
Rufei Zhu
Affiliation:
Department of Materials Science and Engineering, Key Laboratory of Advanced Materials, Tsinghua University, Haidian District, Beijing 100084, China
*
a)Address all correspondence to this author. e-mail: tanggy@mail.tsinghua.edu.cn
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Abstract

The effects of electropulsing treatment (EPT) on the recrystallization and texture of Ni9W alloy were investigated using micro-hardness and electron backscattered diffraction patterns. It is found that compared with conventional annealing, EPT tremendously accelerates the recrystallization process of Ni9W alloy. Moreover, the full recrystallization temperature of EPT is decreased by ∼180 °C. The rapid recrystallization process is attributed to the substantial increase in the atomic flux resulting from the athermal effect. EPT also significantly reduces the intensity of cube texture after full recrystallization. The evolution of recrystallization microstructure and texture reveals that EPT greatly increases the proportion of noncube oriented nuclei but has little effect on the size advantage of cube grains. It is suggested that the change of recrystallization texture results from the different effects of EPT on cube band nucleation and shear band nucleation.

Keywords

annealingtexturemetal
Type
Articles
Information
Journal of Materials Research , Volume 29 , Issue 4 , 28 February 2014 , pp. 596 - 603
Copyright
Copyright © Materials Research Society 2014 

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References

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