Effect of Hot Deformation Parameters on Phase Transformation Structure of 0.05C-0.13Nb Steel

阴树标; 刘清友; 张志波; 孙新军; 雷霆

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Effect of Hot Deformation Parameters on Phase Transformation Structure of 0.05C-0.13Nb Steel

更新时间：2026-01-21

- Effect of Hot Deformation Parameters on Phase Transformation Structure of 0.05C-0.13Nb Steel
- Special Steel Vol. 28, Issue 6, Pages: 16-17(2007)
- 作者机构：
  
  1. 昆明理工大学材料与冶金工程学院,昆明,630091
  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：24 May 2007，
  
  Online First：27 December 2022，
  
  Published：27 December 2007
- 稿件说明：
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阴树标, 刘清友, 张志波, et al. Effect of Hot Deformation Parameters on Phase Transformation Structure of 0.05C-0.13Nb Steel[J]. Special Steel, 2007, 28(6): 16-17.
DOI：

阴树标, 刘清友, 张志波, et al. Effect of Hot Deformation Parameters on Phase Transformation Structure of 0.05C-0.13Nb Steel[J]. Special Steel, 2007, 28(6): 16-17. DOI：

摘要

利用Thermecomastor-Z热模拟试验机

研究了含铌0.13%微合金低碳钢奥氏体未再结晶区(超过50%、发生再结晶)变形、并以0.1～50℃/s的冷却速度连续冷却过程的相变。研究了热变形参数对相变组织的影响。结果表明

在未再结晶区变形

在连续冷却条件下

冷却速度≥5℃/s时

90%以上组织为粒状贝氏体;在相同变形温度情况下

随着变形量的增加

先共析铁素体的量增加

贝氏体的量随之减少。

Abstract

Phase transformation of 0. 13Nb microalloying low carbon steel with deformation in non-crystallization temperature zone(as deformation≥50%

crystallization occurred)and continuous cooling with cooling rate0.1～50 ℃/s has been studied by using thermecmastor-Z thermal simulation test machine and the effect of thermal deformation parameters on phase transformation structure was analyzed. Results indicated that with deformation in non-crystallization temperature zone

in continuous cooling with cooling rate larger than5℃/s

more than 90% of structure was granular bainite

and at same deformation temperature

with increasing deformation the amount of procutectoid ferite increased and the amount of bainite decreased.

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