热轧棒材冷却过程中相变和机械性能的计算机建模Computational modeling of phase transformations and mechanicalproperties during the cooling of hot rolled rodSameer Phadke, Praveen Pauskar, Rajiv ShivpuriDepartment of Industrial Welding and Systems Engineering, Ohio State University, 210 Baker System Engineering Building,1971 Neil Avenue, Columbus, OH 43210, USA摘要近期,热轧控冷越发重视对所需微观结构和机械性能的满足。这种方式通过改进微观结构和热轧时的温度来将奥氏体转变为不同体积分数的马氏体,贝氏体,珠光体和铁素体。本文提出了一种使用Sellar演化方程的热轧过程中晶粒尺寸变化和终轧温度预测的计算方法。这是根据数字化的连续冷却曲线来确定热轧冷却过程中各相的体