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The change in the microstructure of Hi-B electrical steel after normalizing

ZHAOYANG CHENG1, JING LIU1,* , JIAXIN YANG2, WENSI CHEN1, JIACHEN ZHU1

Affiliation

  1. The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan, P. China, 430081
  2. Research & Development Center of WISCO, Wuhan, P.R. China, 430080

Abstract

Hi-B electrical steel is a kind of soft magnetic materials with excellent magnetic properties. Normalization, as an important process, has great effect on final magne tic properties. The change in microstructure of Hi B electrical steel was investigated in this paper. Optical microscopy, X-Ray diffraction (XRD) and transmission electron microscopy (TEM) are used to analyze the microstructure. It is found that the micros tructure become more homogenous with more recrystalliz ation grains after normalizing treatment The texture intensity is increased after normalization treatment , especially the  texture. Simultaneously, large numbers of small and dispersed AlN precipitate after normalizing treatment.

Keywords

Hi-B electrical steel, Microstructure, Texture, Inhibitor, Normalization.

Citation

ZHAOYANG CHENG, JING LIU, JIAXIN YANG, WENSI CHEN, JIACHEN ZHU, The change in the microstructure of Hi-B electrical steel after normalizing, Optoelectronics and Advanced Materials - Rapid Communications, 8, 9-10, September-October 2014, pp.921-924 (2014).

Submitted at: Nov. 21, 2013

Accepted at: Sept. 11, 2014