20MnSi棒材轧后分级控冷过程组织性能预测

钢铁, 2007, 42(1): 50-0.

20MnSi棒材轧后分级控冷过程组织性能预测

程满 , 洪慧平 , 韩文 , 康永林 , 金永春

1.1. 北京科技大学材料科学与工程学院，北京100083

2.2. 中钢设备公司，北京 100016；3. 首钢技术研究院，北京100041

1.1. School of Materials Science and Engineering, USTBeijing, Beijing 100083, China

2.2. SinoSteel Equipment and Engineering Company, Beijing 100016, China

3.3. Shougang Institute of Technology, Beijing 100041, China

关键词：棒材;温度场;有限元模拟;组织性能预测

Microstructure and Properties Prediction for MultiStage Controlled Cooled 20MnSi Steel Bar

CHENG Man , HONG Huiping , HAN wen , KANG Yonglin , JIN Yongchun

Keywords： round bar;temperature field;FEsimulation;microstructure and property prediction

基于温度场有限元模拟仿真结果和实测的动态连续冷却转变曲线，研究了20MnSi棒材轧后分级控制冷却过程温度场及其组织性能的变化规律，并将组织性能计算结果与现场实测值进行比较，建立了适用于分级控冷工艺要求的组织和力学性能预测模型，为合理制定棒材分级控冷工艺方案提供了理论基础。

Based on FEsimulation of temperature field and measured CCT diagram, the microstructure and properties prediction for multistage controlled cooled 20MnSi steel bar were calculated and verified by the measured results in this way. The suitable mathematical models for predicting microstructure and mechanical properties of round bar were obtained. Such prediction models offer the theoretical foundation for the rational estimation of multistage controlled cooling parameters.

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