Effect of Deforming Temperature on Structure and Precipitates of 0.05C-0.13Nb Steel

文建华; 孙新军; 刘清友; 阴树标; 项金钟

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Effect of Deforming Temperature on Structure and Precipitates of 0.05C-0.13Nb Steel

更新时间：2026-01-21

- Effect of Deforming Temperature on Structure and Precipitates of 0.05C-0.13Nb Steel
- Special Steel Vol. 28, Issue 3, Pages: 32-34(2007)
- 作者机构：
  
  1. 云南大学物理科学技术学院,昆明,650091
  2. 钢铁研究总院结构材料研究所,北京,100081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：05 December 2006，
  
  Online First：01 February 2023，
  
  Published：01 February 2007
- 稿件说明：
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文建华, 孙新军, 刘清友, et al. Effect of Deforming Temperature on Structure and Precipitates of 0.05C-0.13Nb Steel[J]. Special Steel, 2007, 28(3): 32-34.
DOI：

文建华, 孙新军, 刘清友, et al. Effect of Deforming Temperature on Structure and Precipitates of 0.05C-0.13Nb Steel[J]. Special Steel, 2007, 28(3): 32-34. DOI：

摘要

用Gleeble-1500D热模拟试验机和电子显微镜研究了在950～750℃不同温度下变形50％后0.05C- 0.13Nb钢的组织和析出相。结果表明

随变形温度由950℃下降至750℃

0.05C-0.13Nb钢中多边形铁索体含量(体积分数)由20％增至80％

多边形铁素体晶粒尺寸由9μm降至4μm;变形后的组织由多边形铁索体、粒状贝氏体和1～3μm马氏体/奥氏体岛组成;钢中的析出物为1～10 nm的Nb(C

随变形温度降低析出物数量增加。

Abstract

The structure and precipitates of 0.05C-0. 13Nb steel deformed by 50% at different temperature between 950~750 ℃ have been studied by Gleeble- 1500D thermal simulation machine

SEM and TEM. Results showed that with deforming temperature decreasing from 950 ℃ to750 ℃

the polygonal ferite content(volume percent)in 0.05C-0. 13Nb steel increased from 20% to 80% and grain size of polygonal ferrite decreased from 9 μm to4 μm; the deformed structure in steel consisted of polygonal ferite

grain bainite and 1~3 μm martensite/austenite island; and the amount of 1～10 nmprecipitates Nb (C

N) in steel increased with decreasing deformed temperature.

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