Effect of Deformation and Carbon Content on Dynamic Recrystallization of Ultra-Low Carbon Bainite Steel

关云; 李平和; 陈庆丰; 刘继雄

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Effect of Deformation and Carbon Content on Dynamic Recrystallization of Ultra-Low Carbon Bainite Steel

更新时间：2026-01-21

- Effect of Deformation and Carbon Content on Dynamic Recrystallization of Ultra-Low Carbon Bainite Steel
- Special Steel Vol. 28, Issue 6, Pages: 24-26(2007)
- 作者机构：
  
  武汉钢铁(集团)公司研究院,武汉,430080
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：07 June 2007，
  
  Online First：27 December 2022，
  
  Published：27 December 2007
- 稿件说明：
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关云, 李平和, 陈庆丰, et al. Effect of Deformation and Carbon Content on Dynamic Recrystallization of Ultra-Low Carbon Bainite Steel[J]. Special Steel, 2007, 28(6): 24-26.
DOI：

关云, 李平和, 陈庆丰, et al. Effect of Deformation and Carbon Content on Dynamic Recrystallization of Ultra-Low Carbon Bainite Steel[J]. Special Steel, 2007, 28(6): 24-26. DOI：

摘要

采用Thermechmastor-Z热模拟试验机对0.019%C和0.052%C的两种超低碳贝氏体(ULCB)钢进行单道次热压缩试验

变形温度为1100℃

应变速率为2s

-1

变形量为5%～50%。结果表明

当变形量低于40%时。两种ULCB钢的形变再结晶规律相同:经10%变形后产生再结晶晶核

20%变形后发生部分再结晶

变形40%后基本完成再结晶。当变形量超过40%后

0.052%C ULCB钢中晶粒比0.019%C ULCB钢细小均匀。

Abstract

The single pass thermal compression test of 0.019C and 0.052C two kinds of ultra-low carbon bainite (ULCB)steel with deformation 5%~50%

strain rate 2s

-1

at 1100 ℃ has been carried out by Thermechmastor-Z thermal simulation machine.Results showed that as deformation was lower than 40% the deformation-recrystallization behavior of two kinds of ULCB steel was same that was to form crystal nucleus of recrystallization with 10% deformation

partially recrystallize with 20% deformation

and basically perform recrystallization with 40% deformation. With deformation more than 40%

the grain size of 0.052C ULCB steel was more fine and uniform than that of 0.019C ULCB steel.

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