Effect of magneto-thermal coupling annealing on Goss grain orientation of CGO steel

doi:10.13251/j.issn.0254-6051.2023.05.046

Abstract

Abstract: Microstructure, misorientation of Goss oriented grain and magnetic properties of the CGO steel after magneto-thermal coupling tensile leveling annealing under different parameters were investigated and analyzed by means of self-made magnetic-thermal coupling device, X-ray diffractometer and magnetic measuring instrument. The results show that the magneto-thermal coupling annealing can promote the grain growth in the CGO steel and reduce the maximum misorientation of Goss orientated grain, thus improving the magnetic properties. By employing magnetic field with intensity of 12 mT at 750 ℃, the effect of magneto-thermal coupling annealing is the most significant, the maximum misorientation of Goss orientated grain is reduced by 2.76° compared with that without magnetic field, the iron loss value is reduced and the magnetic induction intensity is increased.

Key words: oriented silicon steel, magneto-thermal coupling, tensile leveling annealing, misorientation, magnetic properties

CLC Number:

TG142

Dong Lili, Liu Yongzhen, Ma Yonglin, Liu Baozhi. Effect of magneto-thermal coupling annealing on Goss grain orientation of CGO steel[J]. Heat Treatment of Metals, 2023, 48(5): 287-290.

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