Oriented nanotwins induced by electric current pulses in Cu–Zn alloy

2007 ◽  
Vol 91 (16) ◽  
pp. 163112 ◽  
Author(s):  
X. L. Wang ◽  
Y. B. Wang ◽  
Y. M. Wang ◽  
B. Q. Wang ◽  
J. D. Guo
2006 ◽  
Vol 89 (6) ◽  
pp. 061910 ◽  
Author(s):  
X. L. Wang ◽  
J. D. Guo ◽  
Y. M. Wang ◽  
X. Y. Wu ◽  
B. Q. Wang

2014 ◽  
Vol 29 (8) ◽  
pp. 975-980 ◽  
Author(s):  
Xinli Wang ◽  
Wenbin Dai ◽  
Rui Wang ◽  
Xinzhong Tian ◽  
Xiang Zhao

Abstract


2014 ◽  
Vol 783-786 ◽  
pp. 2406-2409
Author(s):  
Xiang Zhao ◽  
Xin Li Wang ◽  
Dong Xue Li ◽  
Wen Bin Dai

In this work, the orientation of the β variants within a single parent α grain on the α→β up-transformation induced by electric current pulses in a Cu-Zn alloy was investigated. Electron backscatter diffraction (EBSD) was used to determine the relationship between the α phase and the β variants. By EBSD analysis, it was found that crystallographic variant selection was observed not only across those prior α/α grain boundaries, but also within the α grain interior. Results revealed that the orientation relationship between the α phase and the β associated with nucleation from α phase was close to the Kurdjumov-Sachs (K-S) orientation relationship, which better described the orientation relationship for α nucleation within β grains.


2011 ◽  
Vol 52 (11) ◽  
pp. 2022-2026 ◽  
Author(s):  
Wenbin Dai ◽  
Xinli Wang ◽  
Lin Zhao ◽  
Jingkun Yu

2011 ◽  
Vol 197-198 ◽  
pp. 692-695 ◽  
Author(s):  
Xin Li Wang ◽  
Wen Bin Dai ◽  
Yan Lu ◽  
Shi Yang He ◽  
Xiang Zhao

β' phase precipitation in a cold rolled Cu-Zn alloy under high density electric current pulses was studied in the present work. The results showed that the precipitation of β' phase was controlled by the angle between the current direction and rolling direction. When the angle was 45º, the application of electric current could refine α phase without β' phase precipitation, while at 0º or 90º, β' phase precipitated from α phase boundaries and distributed along the rolled direction. It was proposed that the precipitation of β' phase during the application of high density electric current was determined by the electron wind force and anisotropic electrical resistivity of the grain boundaries.


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