日韩取向硅钢细化磁畴技术现状与展望  

Current Situation and Prospect of Magnetic Domain Refinement Technology for Grain-oriented Electrical Steel in Japan and Korea

作　　者：涂洵 TU Xun(Materials Department,Patent Examination Cooperation Hubei Center of the Patent Office,Wuhan 430075,China)

机构地区：[1]国家知识产权局专利局专利审查协作湖北中心材料部,湖北武汉430075

出　　处：《电工材料》2022年第4期49-54,共6页Electrical Engineering Materials

摘　　要：以杰富意、新日铁住金、浦项制铁为研究对象,宏观上对这三家公司取向硅钢发明专利数据,微观上对细化磁畴方面的技术内容、发展趋势进行多维度的统计、分析。This paper takes JFE,Nippon&Sumitomo Metal,and POSCO as the research objects,and conducts multi-dimensional statistics on the patent data of oriented silicon steel invention of three companies from a macro perspective,and on the technical content and development trend of the refinement of magnetic domains on a micro level.

关 键 词：取向硅钢 取向性 电磁钢 硅钢 磁畴 细化 低铁损 

分 类 号：TG142[一般工业技术—材料科学与工程]