| C Mn Nb钢在控轧控冷条件下相变后铁素体晶粒尺寸的预测 |
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| 引用本文： | 许云波,于永梅,刘相华,王国栋. C Mn Nb钢在控轧控冷条件下相变后铁素体晶粒尺寸的预测[J]. 钢铁研究学报, 2006, 18(9): 0-36 |
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| 作者姓名： | 许云波 于永梅 刘相华 王国栋 |
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| 作者单位： | 东北大学轧制技术及连轧自动化国家重点实验室,辽宁,沈阳,110004 |
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| 摘 要： | 基于相变动力学和热力学原理，讨论了椭球形铁素体晶核在奥氏体晶界形核及长大的动力学，在模型中引入变形和冷却的作用，提出了预测C Mn Nb钢经控轧控冷后铁素体晶粒尺寸的方法。用该方法进行的计算机模拟结果和实验结果吻合良好，表明这种方法可用来模拟该相变过程。
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| 关 键 词： | 铁素体 晶粒尺寸 C-Mn-Nb钢 晶粒细化 形核速率 控轧-控冷 |
| 文章编号： | 1001-0963（2006）09-0036-04 |
| 收稿时间： | 2005-06-23 |
Prediction of Ferrite Grain Size in C-Mn-Nb Steel After Phase Transformation During Controlled Rolling and Controlled Cooling |
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| XU Yun-bo,YU Yong-mei,LIU Xiang-hua,WANG Guo-dong. Prediction of Ferrite Grain Size in C-Mn-Nb Steel After Phase Transformation During Controlled Rolling and Controlled Cooling[J]. Journal of Iron and Steel Research, 2006, 18(9): 0-36 |
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| Authors: | XU Yun-bo YU Yong-mei LIU Xiang-hua WANG Guo-dong |
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| Affiliation: | State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, Liaoning, China |
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| Abstract: | On the basis of transformation kinetics and thermodynamics, the nucleation and growth of elliptical ferrite on austenite grain boundaries were investigated. A model of ferrite grain size of C-Mn Nb steel after transformation during controlled rolling and controlled cooling is proposed. The calculation results are in agreement with experimental ones. It indicates that this model can be used in modeling this transformation. |
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| Keywords: | ferrite grain size C-Mn-Nb steels grain refinement nucleation rate controlled rolling-controlled cooling |
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