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采用传统ＪＭＡＫ模型和一种新的再结晶模型研究了经 ７０％， ８０％和 ９０％冷变形的ＩＦ（无间隙原子）钢再结晶过程．实验结果表明，以Ｉｎ（－Ｉｎ（１－ｘｖ））为纵坐标和 Ｉｎ ｔ为横坐标进行回归， ＪＭＡＫ图呈直线关系，其 ＪＭＡＫ指数ｎ在１．３３－２．５１之间，低于理想的ＪＭＡＫ指数．采用一个新的再结晶模型对ＩＦ钢的再结晶过程进行了分析，用非线性回归方法回归出该模型的参数.该模型可将再结晶过程与其组织参数联系起来，具有明确的物理意义，能较好地用于描述ＩＦ钢再结晶过程．
The conventional JMAK model and a new recrystallization model were used to study the recrystallization of IF (gap free atom) steel with 70%, 80% and 90% cold deformation. The experimental results show that the regression of In (-In (1-xv)) ordinate and In t as abscissa, the JMAK graph has a linear relationship with a JMAK index n of 1.33-2.51, which is lower than The ideal JMAK index. A new recrystallization model was used to analyze the recrystallization process of IF steel and the parameters of this model were regressed by the nonlinear regression method.The model can relate the recrystallization process with its tissue parameters and has definite physical meaning, It is better used to describe the IF steel recrystallization process.