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首页> 外文期刊>Journal of Iron and Steel Research International >Prediction of Rolling Load, Recrystallization Kinetics, and Microstructure During Hot Strip Rolling
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Prediction of Rolling Load, Recrystallization Kinetics, and Microstructure During Hot Strip Rolling

机译：带钢热轧过程中轧制载荷，再结晶动力学和组织的预测

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摘要

The recrystallization kinetics and grain size models were developed for the C-Mn and niobium-containing steels to describe the metallurgical phenomenon such as softening, grain growth, and strain accumulation. Based on the recrystallization kinetics equations, the mean flow stress and the rolling load of each pass were predicted and the optimum rolling schedule was proposed for hot strip rolling. The austenite grain refinement is associated with the addition of niobium, the decrease of starting temperature of finish rolling, and the reduction of finished thickness. The mean flow stress curve with a continuous rising characteristic can be usually observed in the finish rolling of niobium-containing steel, which is formed as a result of the heavy incomplete softening and strain accumulation. The predicted rolling loads are in good agreement with the measured ones.
机译：建立了含C-Mn和铌的钢的再结晶动力学和晶粒尺寸模型，以描述冶金现象，例如软化，晶粒长大和应变累积。基于再结晶动力学方程，预测了每道次的平均流应力和轧制载荷，并提出了热轧带钢的最佳轧制方案。奥氏体晶粒细化与铌的添加，精轧开始温度的降低以及精加工厚度的降低有关。通常在含铌钢的精轧中观察到具有连续上升特性的平均流动应力曲线，这是由于严重的不完全软化和应变积累而形成的。预测的滚动负载与实测滚动负载非常吻合。

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