退火温度对3.1%Si无取向硅钢组织织构与磁性能的影响

Effects of annealing temperature on micro-structural texture and magnetic properties of 3.1%Si non-oriented silicon steel

研究了退火温度对3.1%Si无取向硅钢组织和磁性能的影响规律。结果表明:退火温度从940℃提高至1000℃,平均晶粒尺寸由98μm增加到145μm,铁损P 1.5/50从2.576 W/kg降低至2.408 W/kg。随着退火温度的升高,γ不利织构组分强度逐渐降低,{111}〈112〉织构组分强度降低约16%,磁感B 50逐渐升高,磁性能水平提高。

The effects of annealing temperature on microstructure and texture and magnetic properties of 3.1%Si non-oriented silicon steel were investigated in this paper.The results showed that,when the annealing temperature increased from 940℃to 1000℃,the average grain size of metallographic structure increased from 98μm to 145μm,the iron loss value P 1.5/50 decreased from 2.576 W/kg to 2.408 W/kg.And as the annealing temperature increased,the strength of the unfavorable texture componentγgradually decreased,the strength of the{111}〈112〉texture component decreased by about 16%,so that the magnetic induction B 50 gradually increased,and the magnetic properties was improved.