采用二维有限元法对热连轧生产过程中沿带钢厚度方向的温度场分布进行了预测,建立了描述低碳钢软化行为的再结晶模型,并利用此模型对奥氏体再结晶动力学及微观组织演变进行了模拟计算.建立了计算精轧过程应力-应变曲线的流变应力模型,根据现场数据,对400 MPa级超级钢细晶化工业轧制实验的轧制力、轧制力矩和轧制功率进行了预测,结果与实测值吻合较好,反映了工业生产实际.
参考文献
| [1] | Yoshida H;Yorifuji A;Koseki S et al.An Integrated Mathematical Simulation of Temperature Rolling Load and Metallurgical Properties in Hot Strip Mill[J].ISIJ International,1991,31(06):571. |
| [2] | HodgsonPD;Gibbs R K .A Mathematical Model to Predict the Mechnical Properties of Hot Rolled C-Mn and Microalloyed Steels[J].ISIJ International,1992,32(12):1329. |
| [3] | LAASRAOUI A;Jonas J J .Prediction of Temperature Distribution Flow Stress and Microstructure During the Multipass Hot Rolling of Steel Plate and Strip[J].ISIJ International,1991,31(01):95. |
| [4] | 刘相华.刚塑性有限元及其在轧制中的应用[M].北京:冶金工业出版社,1994 |
| [5] | V B 金兹伯格;马东清;陈荣清.板带轧制工艺学[M].北京:冶金工业出版社,1998 |
| [6] | J. D. Fletcher;J. H. Beynon .Heat transfer conditions in roll gap in hot strip rolling[J].Ironmaking & Steelmaking: Products and applications,1996(1):52-57. |
| [7] | 日本钢铁协会;王国栋;吴国良.板带轧制理论与实践[M].北京:中国铁道出版社,1990 |
| [8] | Kiuchi M;Yanagimoto J.Thermal Analysis of Hot Plate/Strip Rolling[C].Proc.of the 7th Int. Conf. on Steel Rolling,1998:227. |
| [9] | LAASRAOUI A;Jonas J J .Recrystallization of Austenite After Deformation at High Temperatures and Strain Rates-Analysis and Modeling[J].Metallurgical and Materials Transactions,1991,22(01):151. |
| [10] | 刘振宁 .C-Mn钢热轧板带组织-性能预测模型的开发及在生产中的应用[D].沈阳:东北大学,1995. |
| [11] | Siciliano F;Minami K;Mccagno T M et al.Mathematical Modeling of the Mean Flow Stress Fractional Softening and Grain Size During the Hot Strip Rolling of C-Mn Steels[J].ISIJ International,1996,36(12):1500. |
| [12] | LAASRAOUI A;Jonas J J .Prediction of Steel Flow Stresses at High Temperatures and Strain Rates[J].Metallurgical and Materials Transactions,1991,22(07):1545. |
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%