3.0%Si无取向硅钢磁各向异性的研究  

Study of Magnetic Anisotropy of Non-Oriented Silicon Steel Containing 3%Si

作　　者：石文敏[1,2] 刘静[1] 郑泽林 李准 

机构地区：[1]武汉科技大学材料学系,湖北武汉430081 [2]国家硅钢工程技术研究中心,湖北武汉430080

出　　处：《武汉工程职业技术学院学报》2012年第2期4-7,共4页Journal of Wuhan Engineering Institute

基　　金：国家科技部"十二五"863课题<电机系统关键共性技术与评价体系研究>资助项目;项目编号:2011AA11A238

摘　　要：无取向硅钢要求沿材料的所有方向都具有均匀的磁性能,即要求磁各向异性要尽可能地小,以便为旋转电机提供理想的磁性能。通过试验测试了3.0%Si无取向硅钢不同方向的磁感,铁损和磁致伸缩系数。实验结果表明55°和125°磁化轴为最难磁化轴,而0°和180°磁化轴为最易磁化轴,铁损的变化规律与磁致伸缩系数一致,即90°最大,0°和180°最小,采用相应的理论和数学模型能较好地进行模拟和解释实验结果。Non-oriented electrical steels are required to possess a uniform magnetic property in all directions of the material to provide ideal magnetic properties in rotating motors, which means that the magnetic anisotropy should be as small as possible. The magnetic induction, iron loss and magnetostriction of the non--oriented silicon steel containing 3%Si in different directions were measured. The results show that the hard magnetization axis is 55°and 125°for the rolling direction, and the easy magnetization axis is 0°and 180°for the rolling direction. The development rule of iron loss and magnetostriction from 0°to 180°is the same. The value reaches the peak at 90°for the rolling direction, and reaches the bottom at 0°and 180°for the rolling direction. The experimental results can be simulated and explained appropriately by correspond- ing theory and mathematical model.

关 键 词：无取向硅钢 各向异性 理论模型 磁致伸缩 

分 类 号：TM275[一般工业技术—材料科学与工程]