Hi-B钢二次再结晶动力学及换气温度对磁性能的影响Kinetics of secondary recrystallization and effect of atmosphere-changing temperature on magnetic properties of Hi-B electrical steels
钱浩,杨平,孙信,毛卫民,汪玲玲,金文旭,蒋奇武
摘要(Abstract):
采用"中断法"确定了Hi-B取向硅钢二次再结晶动力学,即二次再结晶的开始温度和温度区间,对比分析了Hi-B取向硅钢与CGO取向硅钢二次再结晶动力学的差异及原因;考察了不同换气温度对二次再结晶晶粒尺寸和磁性能的影响。结果表明,在氮氢混合气氛下,Hi-B硅钢二次再结晶过程比CGO硅钢滞后,发生在1040℃至1120℃之间,其动力学曲线近似为S型;二次再结晶退火时,随着换气温度的升高,最终晶粒尺寸增大,磁感和铁损增加。
关键词(KeyWords): Hi-B钢;二次再结晶;换气温度
基金项目(Foundation):
作者(Author): 钱浩,杨平,孙信,毛卫民,汪玲玲,金文旭,蒋奇武
DOI: 10.13289/j.issn.1009-6264.2011.11.018
参考文献(References):
- [1]Dzubinsky M,Kovac F,Cernik M.Secondary recrystallization kinetics in GO electrotechnical steels[J].Journal of Magnetism and Magnetic Materials,2000,215-216:83-85.
- [2]Dzubinsky M,Kovac F.Influence of heat cycling on microstructural parameters of Fe-3%Si grain oriented steel[J].Scripta Materialia,2001,45:1205-1211.
- [3]赵宇,何忠治.取向硅钢二次再结晶机理研究的进展[J].钢铁研究学报,1991,3(4):79-90.ZHAO Yu,HE Zhong-zhi.Advances in research on the mechanism of secondary recrystallization in grain oriented silicon steels[J].Journal of Ironand Steel Research,1991,3(4):79-90.
- [4]Nichol T,Shilling J.Effects of N2-H2 final annealing on the magnetic properties of Al-bearing high permeability grain oriented Si-Fe[J].IEEETransactions on Magnetics,1976,6:858-860.
- [5]汪玲玲,杨平,毛卫民.Hi-B钢中抑制剂的析出行为[J].材料科学与工程学报,2010,28(2):194-198.WANG Ling-ling,YANG Ping,MAO Wei-min.Precipitation behaviors of inhibitors in a Hi-B steel[J].Journal of Materials Science and Engineering,2010,28(2):194-198.
- [6]Swift W M.Breakdown of primary grain boundary inhibition in 3 pct Si-Fe sheet[J].Metallurgical and Materials Transactions B,1973,4(3):841-845.
- [7]BOttcher A.Zur Bildung der Goss-Textur in RGO-Elektroblech(Fe-3%Si)und Voraussetzung zu ihrer Optimierung[D].Dissertation,RWTHAachen,1990.
- [8]Takamiya T,Kurosawa M,Komatsubara M.Effect of hydrogen content in the final annealing atmosphere on secondary recrystallization of grain-orientedSi steel[J].Journal of Magnetism and Magnetic Materials,2003,254-255:334-336.
- [9]Harase Jiro,Nakajima Shozaburo,Mori Yasuichi.Manufacture of al containing monodirectional silicon steel sheet with extremely high magnetic fluxdensity:Japan,55047324[P].1980-04-03.
文章评论(Comment):
|
||||||||||||||||||
|
||||||||||||||||||