A Study on Recrystallization of Non-Quenched-Tempered Steel 40Mn2V during Thermal Deformation

方剑; 邹喜洋; 谢凯意; 袁泽喜

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A Study on Recrystallization of Non-Quenched-Tempered Steel 40Mn2V during Thermal Deformation

更新时间：2026-01-21

- A Study on Recrystallization of Non-Quenched-Tempered Steel 40Mn2V during Thermal Deformation
- Special Steel Vol. 30, Issue 5, Pages: 65-67(2009)
- 作者机构：
  
  1. 武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉,430081
  2. 湖南衡阳华菱钢管(集团)有限公司技术中心,衡阳,421001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：01 April 2009，
  
  Online First：18 November 2022，
  
  Published：18 November 2009
- 稿件说明：
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方剑, 邹喜洋, 谢凯意, et al. A Study on Recrystallization of Non-Quenched-Tempered Steel 40Mn2V during Thermal Deformation[J]. Special Steel, 2009, 30(5): 65-67.
DOI：

方剑, 邹喜洋, 谢凯意, et al. A Study on Recrystallization of Non-Quenched-Tempered Steel 40Mn2V during Thermal Deformation[J]. Special Steel, 2009, 30(5): 65-67. DOI：

摘要

采用Gleeble-1500热模拟机测得40Mn2V微合金化非调质钢(%:0.38C、1.48Mn、0.12V)Φ90 mm管坯在800～1 000℃、变形速率0.5～2.0 s

-1

时的真应力-应变曲线

并研究了该钢的动态再结晶行为。结果表明

40Mn2V钢的动态再结晶激活能Q

为382.21 kJ/mol

通过动态再结晶图得出

因子Z＞2.621×10

时

40Mn2V钢动态再结晶难以完成

当因子Z＞2.014×10

时

该钢动态再结晶难以发生。

Abstract

True stress-strain curves of 690 mm tube blank of microalloying non-quenched-tempered steel 40Mn2V (% ：0.38C

1.48Mn

0.12V) with defonnation rate 0.5~2.0 s

-1

at 800~1000 °C have been measured by Gleeble-1500 thermal simulator to study the dynamic recrystallization behavior of the steel. Results show that the dynamic recrystallization activation energy Q

of steel 40Mn2V is 382.21 kJ/mol ； it is obtained by dynamic recrystallization figure that it is difficult to complete the dynamic recrystallization of steel 40Mn2V as factor Z ＞2. 621 x 10

and occurrence of the dynamic recrystallization of steel is difficult as factor Z ＞2. 014 x 10

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