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F35MnVN非调质钢静态再结晶模型的研究
英文标题:Investigation on model of static recrystallization for F35MnVN non-quenched and tempered steel
作者:李君飞 王进 褚忠 
单位:青岛理工大学 
关键词:F35MnVN非调质钢 静态再结晶 激活能 晶粒尺寸 
分类号:TG111.7
出版年,卷(期):页码:2012,37(4):144-147
摘要:

在Gleeble-3800热模拟实验机上对F35MnVN非调质钢进行双道次压缩实验,获得不同变形条件下的应力应变曲线,根据Avrami方程建立静态再结晶动力学模型,计算出静态再结晶激活能为178.2kJ·mol-1。在Gleeble-3800热模拟实验机上对F35MnVN非调质钢进行单道次压缩实验(与双道次条件相同),对试样进行金相实验,并建立静态再结晶晶粒尺寸模型。研究结果表明,实验结果与模型预测结果吻合较好,此模型可适用于F35MnVN非调质钢热变形过程中的数值模拟以获得较好的热加工工艺参数。

F35MnVN non-quenched and tempered steel for a double pass compression experiments were finished on Gleeble-3800 thermal simulation machine and the flow stress-strain curves were obtained under different deformation conditions. According to Avrami equation,a static recrystallization kinetics model was created, and the activation energy of static recrystallization with 178.2 kJ·mol-1 was calculated. F35MnVN non-quenched and tempered steel for a single pass compression experiments were finished on Gleeble-3800 thermal simulation machine(the same conditions to the double-pass),through metallographic experiments on samples from single pass experiments,the model of static recrystallization grain size was obtained. And the model predictions were compared with the obtained experimental data and a good agreement was acquired. So not only this model can be used for numerical simulation of F35MnVN non-quenched and tempered steel during the process of hot deformation,but it can be used for getting a better thermal process parameters.

基金项目:
山东省自然科学基金资助项目(ZR2010EQ027)
作者简介:
李君飞(1987-),男,硕士研究生;通讯作者:王进
参考文献:


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