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通过考虑再结晶与析出之间的交互作用，计算了含Ｎｂ钢板在控制轧制过程中的未再结晶温度Ｔｎｒ，并分析了变形量和道次间隔时间对Ｔｎｒ的影响。Ｔｎｒ的计算值与双道次压缩实验中的实测值基本符合。
By considering the interaction between recrystallization and precipitation, the non-recrystallization temperature Tnr of the Nb-containing steel sheet during the control rolling process was calculated and the effect of the deformation amount and the interpass time on the Tnr was analyzed. The calculated value of Tnr is basically in accordance with the measured value in two-pass compression experiment.