连续冷却过程中铁素体相变温度的模拟

1.石横特钢有限公司,山东,肥城,271600

2.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

3.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

基金项目: 中国科学院资助项目(50474086,50334010)

Simulation of the ferrite transformation temperature during continuous cooling

以传统的形核理论为基础,考虑了变形的影响,研究了奥氏体→铁素体相变的等温相变孕育期,采用Scheil的可加性法则计算了SS400钢在变形和未变形条件下的铁素体相变实际转变温度(Ar3),并与实测值进行了对比,结果表明:计算的Ar3与实测的A r3吻合良好,从而进一步表明该相变孕育期模型的准确性.

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