选取了现有典型的C-Mn钢相变过程的物理冶金模型,包括5组孕育期模型、7组相变动力学方程模型、5组相变后铁素体晶粒尺寸模型.利用自行开发的组织性能预报系统软件模拟计算了在3组实际冷却工艺条件下各模型的奥氏体转变过程,并对各模型进行了评价.结果表明,对于所设定的成分和工艺条件,适用性较好的孕育期模型是Kwon所提出的模型;适用性较好的动力学方程模型是Liu、Donnay和Sun所提出的模型;适用性较好的铁索体晶粒尺寸模型是Hodgson所提出的模型.
参考文献
| [1] | PAN Y T .Measurement and Modeling of Diffusional Transformation of Austenite in C-Mn Steels[D].Kaohsiung:NSYSU,2001. |
| [2] | 蔡正,王国栋,刘相华,刘岩松.热轧带钢在冷却中温度与相变的耦合解析[J].塑性工程学报,2000(02):16-19. |
| [3] | 江坂一彬.材料性能预测和控制模型的开发[J].制铁研究(日本),1986(321):92. |
| [4] | Kwon O .A Technology for the Prediction and Control of Microstructural Changes and Mechanical Properties in Steel[J].ISIJ International,1992,32(03):350. |
| [5] | LIU Z D .Experiments and Mathematical Modeling of Controlled Runout Table Cooling in a Hot Rolling Mill[D].Vancouver:UBC,2001. |
| [6] | Donnay B.Microstructure Evolution of C-Mn Steels in the Hot Deformation Process:the STRIPCAM Model[A].London,1996 |
| [7] | Yoshie A .Modelling of Microstructural Evolution and Mechanical Properties of Steel Plates Produced by Thermo-Mechanical Control Process[J].ISIJ International,1992,32(03):395. |
| [8] | Sun C G .A Finite Element Model for the Prediction of Thermal and Metallurgical Behavior of Strip on Run-Out-Table[J].ISIJ International,2002,42(04):392. |
| [9] | Chan-Woo LEE;Sang-Ho UHM;Kyoung-Min KIM .Modeling of Phase Transformation Kinetics in the Coarsened Grain HAZ of C-Mn Steel weld Considering Prior Austenite Grain Size[J].ISIJ International,2001(11):1383-1388. |
| [10] | Hawbolt E B .Kinetics of Austenite-Ferrite and AustenitePearlite Transformation in a 1025 Carbon Steel[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1985,16:565. |
| [11] | Hodgson P D .A Mathematical Model to Predict the Mechanical Properties of Hot Rolled C-Mn and Microalloyed Steels[J].ISIJ International,1992,32(12):1392. |
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%