Effect of Nb on cold rolled microstructure and texture of  grain-oriented silicon steel

doi:10.13251/j.issn.0254-6051.2020.06.037

Abstract

Abstract: Effect of Nb on microstructure and texture of grain-oriented silicon steel during cold rolling was studied by means of OM and EBSD. The results show that both the Nb containing and the niobium free normalized plate have strip microstructure after cold rolling, but the Nb containing cold rolled plate is narrower in its width direction. The existence of Nb has an optimum effect on texture. After intermediate annealing, the secondary cold rolled texture of Nb containing cold rolled plate is obviously improved, compared with the second cold rolled plate without Nb, which has a lower strength rotating cubic texture and higher strength {111}<112> texture, with a maximum orientation density of 12.460.

Key words: grain-oriented silicon steel, Nb, double cold rolling, microstructure, texture

CLC Number:

TG142.1

Meng Ranran, Duan Yanghui, Feng Yunli, Li Jie. Effect of Nb on cold rolled microstructure and texture of grain-oriented silicon steel[J]. Heat Treatment of Metals, 2020, 45(6): 178-184.

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Effect of Nb on cold rolled microstructure and texture of grain-oriented silicon steel

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