ISSN:1003-8620

CN:42-1243/TF

主管:中信泰富特钢集团股份有限公司

主办:大冶特殊钢有限公司

特殊钢 ›› 2010, Vol. 31 ›› Issue (6): 56-58.

• 组织和性能 • 上一篇    下一篇

汽车用高品质非调质钢YF45MnVS的热变形行为

邵肖静,邓小玄,崔睿,王新华,王万军,黄福祥   

  1. 北京科技大学冶金与生态工程学院,北京100083
  • 收稿日期:2010-06-28 出版日期:2010-12-01 发布日期:2022-10-28
  • 作者简介:邵肖静(1983-),女,博士研究生,2006年重庆大学毕业,高品质汽车用钢研究。

Behavior of Thermal Deformation of High Quality Non-Quenched-Tempered Steel YF45MnVS for Automobile

Shao Xiaojing, Deng Xiaoxuan, Cui Rui, Wang Xinhua, Wang Wanjun, Huang fuxiang   

  1. School of Metallurgical and Ecological Engineering, University of Science and Technology, Beijing 100083
  • Received:2010-06-28 Published:2010-12-01 Online:2022-10-28

摘要: 用Gleeble-1500热模拟实验机对YF45MnVS钢(%:0.48C、0.45Si、1.36Mn、0.009P、0.043S、0.086V)200 mm×200 mm铸坯上切取的Φ8mm试样进行950~1 200℃,变形速率10-2~101s-1变形量10%~50%的单道次等温压缩试验。结果表明,低应变速率和大变形量有利于实验用钢动态再结晶的发生。通过计算得到YF45MnVS钢在950~1 200℃的动态再结晶激活能为299.55 kJ/mol。

关键词: 非调质钢YF45MnVS, 热变形行为, 动态回复, 动态再结晶

Abstract: The isothermal compression test for Φ8 mm specimen of steel YF45MnVS ( % : 0. 48C, 0. 45Si, 1. 36Mn, 0. 009P, 0. 043S, 0. 086V) cut from 200 mm x 200 mm cast bloom with single pass strain rate 10-2 〜101 s-1 and strain 10% 〜50% at 950 〜1 200 °C has been carried out by using Gleeble-1500 thermo-mechanical simulator. Results show that low strain rate and large strain are favorable to the occurrence of dynamic recrystallization of test steel. The calculated dynamic recrystallized activation energy of the steel YF45MnVS at 950 〜1 200 ℃ is 299. 55 kJ/mol.

Key words: Non-Quenched-Tempered Steel YF45MnVS, Behavior of Thermal Deformation, Dynamic Recovery, Dynamic Recrystallization