Effect of Annealing Temperature on Structure of 0.2C-1.5Si-1.5Mn-(0.5Cu)TRIP Steel

景财年; 王作成; 李长龙; 罗辉; 李成美; 刘一梅

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Effect of Annealing Temperature on Structure of 0.2C-1.5Si-1.5Mn-(0.5Cu)TRIP Steel

更新时间：2026-01-21

- Effect of Annealing Temperature on Structure of 0.2C-1.5Si-1.5Mn-(0.5Cu)TRIP Steel
- Special Steel Vol. 26, Issue 2, Pages: 20-22(2005)
- 作者机构：
  
  1. 山东建筑工程学院材料系,济南,250014
  2. 山东大学材料科学与工程学院,济南,250061
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：11 October 2004，
  
  Online First：26 May 2023，
  
  Published：26 May 2005
- 稿件说明：
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景财年, 王作成, 李长龙, et al. Effect of Annealing Temperature on Structure of 0.2C-1.5Si-1.5Mn-(0.5Cu)TRIP Steel[J]. Special Steel, 2005, 26(2): 20-22.
DOI：

景财年, 王作成, 李长龙, et al. Effect of Annealing Temperature on Structure of 0.2C-1.5Si-1.5Mn-(0.5Cu)TRIP Steel[J]. Special Steel, 2005, 26(2): 20-22. DOI：

摘要

用彩色金相法、X 射线衍射、扫描电镜研究了成分(%)为 0.2C-1.5Si-1.5Mn和0.2C-1.5Si-1.5Mn-0.5Cu TRIP钢 750～780℃不同退火温度对组织的影响。结果表明

含0.5 %Cu TRIP钢750℃、760℃、780℃退火的残余奥氏体体积含量为15.2 %～17.2 %

770℃退火为15.2 %～15.7% ;不含CuTRIP钢760℃和770℃退火的残余奥氏体体积含量分别为12.5 %～12.9%和14.6 %～15.1%

低于750℃和780℃退火的奥氏体量分别为17.0 %～17.5%和16.0 %～16.4%。随退火温度由750℃提高至780℃

两种钢中的铁素体量由～70%降至～5 0%

贝氏体量由～10%增至～30%

Abstract

The effect of annealing temperature between 750 ℃ and 780 ℃ on structure of two TRIP steel - 0.2C-1.5Si- 1.5Mn and 0.2C-1.5Si-1.5Mn-0.5Cu has been studied by color metallograph method

X-ray diffraction and scanning electron micrograph. The test results showed that for the TRIP steel containing 0.5Cu

the retained austenite volume fraction was 16.2%～17.2% when annealed at 750 ℃

760 ℃ and 780 ℃ and it was 15.2%～15.7% when annealed at 770 ℃;and for free Cu TRIP steel

when annealed at 760 ℃ and 770 ℃

the retained austenite volume fraction was 12.5%~12.9% and 14.6%～15.1% respectively which lower than that fraction 17.0%~17.5% and 16.0%～16.4% when annealed at 750 ℃ and 780 ℃ respectively. With the annealing temperature increased from 750 ℃ to 780 ℃ the ferrite volume fraction in steel decreased from ～70% to ～50%

and the bainite volume fraction in steel increased from ~ 10% to ～30%.

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