Development and progress in grain-oriented electrical steel

doi:10.13228/j.boyuan.issn1001-0963.20240180

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Journal of Iron and Steel Research ›› 2025, Vol. 37 ›› Issue (3) : 283-296. DOI: 10.13228/j.boyuan.issn1001-0963.20240180

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Development and progress in grain-oriented electrical steel

CHU Shuangjie^1,2, ZHOU Bohao^1,2, PAN Zhendong^1,3, MAO Bo¹

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Abstract

Grain oriented electrical steel (GOES) is one of the most fundamental and important materials in the construction of modern power energy systems, playing an indispensable role in high-efficiency power transmission and transformation. Due to its complex manufacturing process, high precision requirements for equipment functionality, and stringent process control challenges, producing high-performance GOES necessitates significant breakthroughs both in manufacturing equipment and process technologies. The technological advancements and development of GOES throughout its entire production process were explored, including composition design, microstructure control, and processing techniques. The roles of alloying elements in GOES and the key manufacturing technologies to achieve the target composition were specifically analyzed, the microstructural evolution during the rolling and heat treatment processes was summarized, the impact of critical process parameters in rolling and heat treatment on the microstructure of GOES was investigated, and the characteristics of key post-processing coatings and magnetic domain refinement technologies were outlined. Finally, in light of the severe challenges faced by GOES development, the future research directions and development trends in this field were proposed.

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grain-oriented electrical steel / manufacturing / microstructure / magnetic property / Si content

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CHU Shuangjie, ZHOU Bohao, PAN Zhendong, MAO Bo. Development and progress in grain-oriented electrical steel[J]. Journal of Iron and Steel Research, 2025, 37(3): 283-296 https://doi.org/10.13228/j.boyuan.issn1001-0963.20240180

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