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Effect of electric current direction on recrystallization rate and texture of a Cu–Zn alloy

Published online by Cambridge University Press:  16 May 2013

Xinli Wang ,
Wenbin Dai ,
Chongwei Ma  and
Xiang Zhao
Xinli Wang*
Affiliation:
Research Institute, Northeastern University, Shenyang 110004, People’s Republic of China
Wenbin Dai
Affiliation:
School of Materials and Metallurgy, Northeastern University, Shenyang 110004, People’s Republic of China
Chongwei Ma*
Affiliation:
School of Materials and Metallurgy, Northeastern University, Shenyang 110004, People’s Republic of China
Xiang Zhao*
Affiliation:
School of Materials and Metallurgy, Northeastern University, Shenyang 110004, People’s Republic of China
*
a)Address all correspondence to these authors. e-mail: wangxl520@hotmail.com
b)e-mail: zhaox@mail.neu.edu.cn
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Abstract

The relationship between electric current direction and recrystallization rate as well as the resulting texture induced by electric current pulses (ECPs) was investigated in a Cu–Zn alloy. To distinguish the effect of electric current direction on recrystallization rate, the same input energy was exerted upon the samples to eliminate the effect of Joule heating induced by ECPs. Results showed that the recrystallization-related nucleation rate could be greatly enhanced when the electric current was dispositioned at an angle to the rolling direction. The main mechanism for the different nucleation rates might be ascribed to the different driving forces for recrystallization induced by ECPs when there was an angle between the electric current direction and the rolling direction.By all reckoning, it was expected that the ECP treatment would provide a promising approach for controlling the nucleation rate by changing the exerted electric current direction.

Type
Articles
Information
Journal of Materials Research , Volume 28 , Issue 10 , 28 May 2013 , pp. 1378 - 1385
Copyright
Copyright © Materials Research Society 2013 

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References

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