Effect of Ce on normalizing microstructure and texture of 50W400 non-oriented silicon steel

doi:10.13251/j.issn.0254-6051.2025.03.027

Abstract

Abstract: Evolution of the normalizing microstructure and texture of 50W400 non-oriented silicon steel after adding rare earth element Ce was analyzed by means of metallographic observation and SEM-EBSD instruments. This investigation aimed to clarify the trend of changes in grain size and texture strength of the tested steel after normalizing.The results indicate that the addition of Ce can delay the complete recrystallization time during normalizing. Specifically, with rare earth Ce adding, the time for maintaining a uniform grain size distribution at a uniform temperature of 970 ℃ can be postponed from 155 s to 215 s, and the grain size is smaller. Furthermore, in the thickness direction of the longitudinal section of the tested steel, the proportion of favorable surface textures {100} and {110} increases, while the proportion of the unfavorable surface texture {111} decreases.

Key words: non-oriented silicon steel, rare earth Ce, normalizing, microstructure, texture

CLC Number:

Qi Jianbo, Yang Lilin, Zhang Xudong, Jin Zili, Yu Huimin. Effect of Ce on normalizing microstructure and texture of 50W400 non-oriented silicon steel[J]. Heat Treatment of Metals, 2025, 50(3): 167-173.

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