Electrical Steel ›› 2024, Vol. 6 ›› Issue (2): 1-.

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Research progress of high-temperature annealing process  for grain-oriented silicon steel#br#

PENG Xiaoqian 1,2, FAN Gangqiang 1,2,3, TAN Jianfen 1,2, YANG Qun 1,2, LIU Qi 1,2   

  1. 1.Huize Institute of Chongqing Wangbian Electric (Group) Co., Ltd., Chongqing 401254, China; 
    2.Chongqing Key Laboratory of High Performance Oriented Electrical Steel, Chongqing 401254, China; 
    3.College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
  • Online:2024-04-28 Published:2024-04-24

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Abstract: High-temperature annealing is a crucial process in the production of cold-rolled grain-oriented silicon steel, and extensive research has been conducted by practitioners over several decades, leading to significant advancements. The high-temperature annealing equipment, process, and microstructure growth mechanism of grain-oriented silicon steel were summarized based on the characteristics of the process and existing domestic and foreign researches. Furthermore, potential directions for future research in the high-temperature annealing process were proposed.

Key words: cold-rolled grain-oriented silicon steel, high-temperature annealing, secondary recrystallization