A Study on Austenite Dynamic Recrystallization of Non-Quenching-Tempering Steel 38MnVS

刘攀; 刘荥佩; 魏元生; 惠卫军; 雍岐龙; 包耀宗

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A Study on Austenite Dynamic Recrystallization of Non-Quenching-Tempering Steel 38MnVS

更新时间：2026-01-21

- A Study on Austenite Dynamic Recrystallization of Non-Quenching-Tempering Steel 38MnVS
- Special Steel Vol. 33, Issue 2, Pages: 43-45(2012)
- 作者机构：
  
  1. 昆明理工大学材料科学与工程学院,昆明,650093
  2. 长城汽车股份有限公司,保定,071000
  3. 钢铁研究总院,北京,100081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：20 September 2011，
  
  Online First：14 October 2022，
  
  Published：14 October 2012
- 稿件说明：
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刘攀, 刘荥佩, 魏元生, et al. A Study on Austenite Dynamic Recrystallization of Non-Quenching-Tempering Steel 38MnVS[J]. Special Steel, 2012, 33(2): 43-45.
DOI：

刘攀, 刘荥佩, 魏元生, et al. A Study on Austenite Dynamic Recrystallization of Non-Quenching-Tempering Steel 38MnVS[J]. Special Steel, 2012, 33(2): 43-45. DOI：

摘要

研究了V-Ti微合金非调质钢38MnVS(/%:0.42C、0.76Si、1.33Mn、0.011S、0.013P、0.10V、0.02Ti)的奥氏体动态再结晶过程。通过Gleeble-3800热模拟试验机

研究了变形温度(950～1150℃)和变形速率(0.1～10s

-1

)对38MnVS钢奥氏体动态再结晶过程的影响

并建立了Zener-Hollomon参数为变量的方程、动态再结晶尺寸模型和动态再结晶状态图。结果表明

变形温度越高

变形速率越低

发生动态再结晶的临界驱动力越小

动态再结晶越易进行;微合金非调质钢38MnVS动态再结晶激活能为Q

=275.453 kJ/mol。

Abstract

The austenite dynamic recrystallization process of V-Ti microalloying non-quenching- tempering steel 38MnVS (/% : 0.42C

0.76Si

1.33Mn

0.011S

0.013P

0.10V

0.02Ti) has been studied. The effect of deformation temperature (950-1150 °C ) and strain rate (0.1-10 s

-1

) on austenite dynamic recrystallization of steel 38MnVS is studied by Gleeble-3800 thermal simulation test machine

and the function related Zener-Hollomon parameter

dynamic recrystallization size model and dynamic recrystallization diagram are established. Results show that the higher deformation temperature and the lower strain rate

the smaller critical driving force to occur dynamic crystallization and the easier to carry out dynamic recrystallization: the activation energy Q

for dynamic crystallization of microalloying non-quenchine-tempe- ring steel 38MnVS is 275.453 kJ/

mol.

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