分析了硅含量为2.0wt％的高牌号冷轧无取向硅钢冷轧变形量和不同退火温度对再结晶织构及晶粒尺寸的影响.结果表明,热轧板表面与心部组织和织构的差异对后续冷轧和再结晶退火的织构和晶粒尺寸有明显影响.热轧板表面的退火态晶粒组织使其织构转变滞后于心部.并可造成最终退火后较强的{001}＜110＞织构和均匀的{111}织构,有利于磁性的改善.提高冷变形量会增加再结晶形核率而减小晶粒尺寸,提高再结晶温度不明显改变再结晶织构但增大晶粒尺寸,但应防止过高温度下析出相粒子的回溶.分析表明,热轧板常化工艺,以及二次冷轧加中间退火工艺均有利于改善钢板成品织构,进而改善钢板磁性能.
参考文献
| [1] | 何忠治.电工钢[M].北京:冶金工业出版社,1997:84-86. |
| [2] | 毛卫民.金属材料的晶体学织构与各向异性[M].北京:科学出版社,2002:118-125. |
| [3] | Jongtae Park;Jerzy A. Szpunar;Kyuseok Han .Effect of Initial Grain Size Prior to Cold Rolling on Annealing Texture in Non-Oriented Electrical Steel[J].Materials Science Forum,2002(Pt.2):1257-1262. |
| [4] | Ray R K;Jonas J J .Transforntatiort textures in steels[J].International Materials Reviews,1990,35(01):1-36. |
| [5] | Wolfang Bleck;Rolf GroBterlinden;Ulrich Lotter et al.Textures in steel sheets[J].Steel Research International,1991,62(12):580-586. |
| [6] | Inagaki Hirosuke .Fundamental aspect of texture formation in loa carbon steel[J].ISIJ International,1994,34(04):313-321. |
| [7] | Toth L S;Jonas I J;Daniel D et al.Development of ferrite rolling textures in low and extra low-carbon steels[J].Metallurgical and Materials Transactions,1990,21(04):2985-3000. |
| [8] | 毛卫民;张新明.晶体材料织构定量分析[M].北京:冶金工业出版社,1995:102-109. |
| [9] | Yasunobu NAGATAKI;Yoshihiro HOSOYA .Origin of the Recrystallization Texture Formation in an Interstitial Free Steel[J].ISIJ International,1996(4):451-460. |
| [10] | B. de Boer;J. Wieting .Formation of a near {001}<110> recrystallization texture in electrical steels[J].Scripta materialia,1997(6):753-760. |
| [11] | Takashima M.;Morito N.;Komatsubara M. .(001)(210) TEXTURE DEVELOPMENT BY TWO-STAGE COLD ROLLING METHOD IN NON-ORIENTED ELECTRICAL STEEL[J].ISIJ International,1997(12):1263-1268. |
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%