利用第二相相关理论计算分析薄板坯连铸连轧3%取向硅钢中MnS沉淀析出的动力学行为.沉淀析出计算结果显示在薄板坯连铸连轧生产工艺中以铁素体位错线上形核为主导,MnS在铁素体中的析出量最大,其有效沉淀温度范围约为700~900℃,临界形核尺寸约为0.7~1.5nm;相变完成时MnS颗粒的半径约为30nm,可以起到抑制剂的作用.终轧温度应在800℃以上.
参考文献
[1] | 何忠治.电工钢[M].北京:冶金工业出版社,1997 |
[2] | Iwayama K;Haratani T .The Dissolution and Precipitation Behavior of AlN and MnS in Grain-Oriented 3%Silicon-Steel With High Permeability[J].Journal of Magnetism and Magnetic Materials,1980,19(01):15. |
[3] | Sun W P;Militzer M;Jonas J J .Strain-Induced Nucleation of MnS in Electrical Steels[J].Metallurgical and Materials Transactions,1991,23A:821. |
[4] | 刘阳春 .薄板坯连铸连轧低碳铝镇静钢N、Al的作用与控制研究[D].北京:北京科技大学,2007. |
[5] | 雍岐龙.钢铁材料中的第二相[M].北京:冶金工业出版社,2006 |
[6] | 裴英豪 .CSP生产无取向电工钢中MnS和AlN的析出行为研究[D].洛阳:河南科技大学,2006. |
[7] | Mochinaga Kishio;Ichimura Kiyokazu;Shibao Shinji et al.Method of Hot Rolling Continuously Cast Grain Oriented Electrical Steel Slab[P].US:5074931,1991-12-24. |
[8] | Kononov A A;Mogutnov B M .Effect of Carbon on Precipitation of MnS Inhibitor in Grain-Oriented 3% Silicon-Steel[J].ISIJ International,1999,39(01):64. |
[9] | Swift W M .Kinetics of MnS Precipitate Coarsening in 3 Pet SiFe Sheet[J].Metallurgical and Materials Transactions,1973,4(01):153. |
[10] | Swift W M .Breakdown of Primary Grain Boundary Inhibition in 3 Pct Si-Fe Sheet[J].Metallurgical and Materials Transactions,1973,4(03):841. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%