Continuous Cooling Transformation Curves of Spring Steel 65Si2CrV for Clutch

徐志东; 任安超; 曾彤; 夏念平; 肖斌; 杨志婷

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Continuous Cooling Transformation Curves of Spring Steel 65Si2CrV for Clutch

更新时间：2026-01-21

- Continuous Cooling Transformation Curves of Spring Steel 65Si2CrV for Clutch
- Special Steel Vol. 37, Issue 4, Pages: 55-57(2016)
- 作者机构：
  
  武汉钢铁(集团)研究院,武汉,430080
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：07 March 2016，
  
  Online First：06 August 2022，
  
  Published：06 August 2016
- 稿件说明：
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徐志东, 任安超, 曾彤, et al. Continuous Cooling Transformation Curves of Spring Steel 65Si2CrV for Clutch[J]. Special Steel, 2016, 37(4): 55-57.
DOI：

徐志东, 任安超, 曾彤, et al. Continuous Cooling Transformation Curves of Spring Steel 65Si2CrV for Clutch[J]. Special Steel, 2016, 37(4): 55-57. DOI：

摘要

实验用弹簧钢65Si2CrV（/%:0.66C

1.43Si

0.74Mn

0.007P

0.008S

0.68Cr

0.11V）由25 kg真空感应炉冶炼

并轧成16 mm×300 mm扁坯。通过Gleeble-2000热模拟试验机

利用膨胀法结合金相分析以及显微硬度

获得弹簧钢65Si2CrV的静态连续冷却转变曲线（CCT曲线）

并得出0.210℃/s冷却速度时的相变温度;当冷却速度由1℃/s增至5℃/s时HV10硬度值急剧增加

由380增加至800。

Abstract

The tested spring steel 65Si2CrV (/% : 0. 66C

1. 43Si

0. 74Mn

0. 007P

0. 008S

0. 68Cr

0. 11V) is melted by 25 kg vacuum induction fumace and rolled to 16 mm x300 mm slab. The static continuous cooling transformation (CCT) curves of spring steel 65Si2CrV is obtained by Gleeble-2000 thermal simulation testing machine using dilatometry combined with metallographic analysis and microhardness test

and the phase temperature of steel cooled with 0. 2 ~ 10 °C/ s is gotten

as cooling rate increases from 1°C/s to 5 °C/s the HV10 microhardness value of steel dramatically increases from 380 to 800.

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