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Evolution of Microstructure, Texture and Topography during Cold Rolling and Recrystallization of Ni–5at.%W Alloy Substrate for Coated Conductors

1
Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Science and Engineering, Beijing University of Technology, 100 Pingleyuan, Chaoyang District, Beijing 100124, China
2
Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
*
Author to whom correspondence should be addressed.
Crystals 2019, 9(11), 604; https://doi.org/10.3390/cryst9110604
Received: 2 October 2019 / Revised: 14 November 2019 / Accepted: 15 November 2019 / Published: 18 November 2019
In this work, the effect of cold rolling and heat treatment upon the microstructure and texture of the surface layer and cross-section of Ni5W alloy substrate was analyzed via the EBSD technique. A typical copper deformation texture was shown by the cold-rolled Ni5W alloy substrate. The cube-oriented nuclei were attributed to the rolling direction–transverse direction (RD-TD) plane due to the presence of copper and S rolling textures. Typical large-shape cold-rolled microstructure was presented by the RD-ND surface in the cube-oriented area. During the recrystallization process, the cube-oriented grains did not have a nucleation quantity advantage, but they did have an obvious growth advantage compared with other orientation grains. They can form a strong cube texture by absorbing the random orientation and rolling orientation through the migration of large-angle grain boundaries. View Full-Text
Keywords: Ni5W alloy substrate; crystal orientation; EBSD; rolling; recrystallization Ni5W alloy substrate; crystal orientation; EBSD; rolling; recrystallization
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Zhang, C.; Suo, H.; Zhang, Z.; Wang, Q.; Wang, Y.; Ma, L.; Liu, M.; Ji, Y.; Li, J. Evolution of Microstructure, Texture and Topography during Cold Rolling and Recrystallization of Ni–5at.%W Alloy Substrate for Coated Conductors. Crystals 2019, 9, 604.

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