Behavior of Dynamic Recrystallization of Nb-V-Ti Microalloying 0.37C-1. 45Mn Non-Quenched and Tempered Steel

满廷慧; 高鹏; 杨红新; 周湛; 雍岐龙; 包耀宗

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Behavior of Dynamic Recrystallization of Nb-V-Ti Microalloying 0.37C-1. 45Mn Non-Quenched and Tempered Steel

更新时间：2026-01-21

- Behavior of Dynamic Recrystallization of Nb-V-Ti Microalloying 0.37C-1. 45Mn Non-Quenched and Tempered Steel
- Special Steel Vol. 35, Issue 4, Pages: 66-68(2014)
- 作者机构：
  
  1. 昆明理工大学材料科学与工程学院,昆明,650093
  2. 钢铁研究总院特钢所,北京,100081
  3. 长城汽车股份有限公司,保定,071000
  4. 江苏苏州钢铁集团技术中心,苏州,215151
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：31 March 2014，
  
  Online First：03 September 2022，
  
  Published：03 September 2014
- 稿件说明：
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满廷慧, 高鹏, 杨红新, et al. Behavior of Dynamic Recrystallization of Nb-V-Ti Microalloying 0.37C-1. 45Mn Non-Quenched and Tempered Steel[J]. Special Steel, 2014, 35(4): 66-68.
DOI：

满廷慧, 高鹏, 杨红新, et al. Behavior of Dynamic Recrystallization of Nb-V-Ti Microalloying 0.37C-1. 45Mn Non-Quenched and Tempered Steel[J]. Special Steel, 2014, 35(4): 66-68. DOI：

摘要

借助Gleeble-3800热模拟实验机研究了真空感应炉熔炼

并锻成φ25 mm棒材的Nb-V-Ti微合金化0.37C-1.45Mn非调质钢(/%:0.37C

0.60Si

1.45Mn

0.025Nb

0.078V

0.017Ti)在950~1150℃

形变速率0.1~10 s

-1

形变量60%的单道次压缩的奥氏体动态再结晶过程。结果表明

Nb-V-Ti微合金化0.37C-1.45Mn钢形变温度越高

形变速率越低

则发生动态再结晶的形变储能越小

越容易发生动态再结晶。试验用钢因含有Nb而动态再结晶激活能较高

为Q

=353.80 kJ/mol。

Abstract

The austenite dynamic recrystallizing process of VIF melted and forged 625 mm bar of Nb-V-Ti microalloying 0. 37C-1.45Mn non-quenched and tempered steel (/%: 0. 37C

0. 60Si

1. 45Mn

0. 025Nb

0. 078V

0.017Ti) with single pass compression

strain rate 0. 1 ~ 10 s

-1

and reduction by 60% at 950 ~ 1 150 ℃ has been studied by using Gleeble-3800 thermal simulation machine. Results show that of Nb-V-Ti microalloying 0. 37C-1. 45Mn steel the higher deformation steel and the lower strain rate

the smaller deformation cumulative energy to occur the dynamic recrystallization and the more easily to carry out the dynamic crystallization. Due to containing Nb in steel

the activation energy of dynamic recrystallization of test steel is higher

i. e. Q

=353. 80 kJ/mol.

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