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为了研究IF钢再结晶退火行为,利用Gleeble-3500热模拟试验机,模拟了56%压缩比冷轧IF钢在不同温度和不同时间条件下的退火过程,测定了冷轧IF钢在不同再结晶完成时间下的再结晶完成温度。在热模拟试验的基础上,根据Arrhenius公式计算了冷轧IF钢的再结晶激活能,建立再结晶动力学模型,拟合再结晶线性方程。同时通过不同再结晶组织分析发现,随着再结晶完成时间的延长,IF钢的再结晶完成温度降低。
In order to study the recrystallization annealing behavior of IF steel, the annealing process of 56% compression cold-rolled IF steel at different temperatures and different time was simulated by Gleeble-3500 thermal simulation tester. The effects of different recrystallization Completion time under the completion of recrystallization temperature. Based on the thermal simulation test, the recrystallization activation energy of cold rolled IF steel was calculated according to the Arrhenius formula, and the recrystallization kinetics model was established to fit the recrystallization linear equation. At the same time, through different recrystallization microstructure analysis, it is found that the recrystallization temperature of IF steel decreases with the completion of recrystallization.