Transactions of Materials and Heat Treatment

Title：Investigation on model of static recrystallization for F35MnVN non-quenched and tempered steel

Authors： LI Jun-fei WANG Jin CHU Zhong

Unit： Qingdao Technological University

KeyWords： F35MnVN non-quenched and tempered steel static recrystallization activation energy grain size

ClassificationCode：TG111.7

year,vol(issue):pagenumber：2012,37(4):144-147

Abstract：

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.

Funds：

山东省自然科学基金资助项目(ZR2010EQ027)

李君飞（1987-），男，硕士研究生；通讯作者：王进

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