Behavior of Dynamic Recrystallization of Alloy Tool Steel SKS51

鲍思前; 凌程; 曾祥波丁晋遥; 郭存; 张春远

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Behavior of Dynamic Recrystallization of Alloy Tool Steel SKS51

更新时间：2026-01-21

- Behavior of Dynamic Recrystallization of Alloy Tool Steel SKS51
- Special Steel Vol. 34, Issue 2, Pages: 59-61(2013)
- 作者机构：
  
  武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉,430081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：25 October 2012，
  
  Online First：08 October 2022，
  
  Published：08 October 2013
- 稿件说明：
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鲍思前, 凌程, 曾祥波丁晋遥, et al. Behavior of Dynamic Recrystallization of Alloy Tool Steel SKS51[J]. Special Steel, 2013, 34(2): 59-61.
DOI：

鲍思前, 凌程, 曾祥波丁晋遥, et al. Behavior of Dynamic Recrystallization of Alloy Tool Steel SKS51[J]. Special Steel, 2013, 34(2): 59-61. DOI：

摘要

采用Gleeble-1500热模拟机单道次热压缩实验

研究了变形温度850～1 000℃和变形速率0.1～10s

-1

条件下合金工具钢SKS51(/%:0.78C、0.20Si、0.40Mn、1.5Ni、0.30Cr)的动态再结晶行为。实验结果显示SKS51钢动态再结晶在高的变形温度和低的变形速率情况下更易发生

回归法得出动态再结晶的变形激活能和应力指数分别为336.79 kJ/mol和4.26

并在此基础上建立了动态再结晶峰值应变(ε

)、稳态应变(ε

)及临界应变(ε

)模型。

Abstract

The behavior of dynamic recrystallization of alloy tool steel SKS51 (/% : 0.78C

0.20Si

0.40Mn

1.5Ni

0.30Cr) in single pass hot compression test with strain rate 0.1 ~ 10 s

-1

at 850-1 000 ℃ is studied by using Gleeble-1500 thermo-mechanical simulator. Results show that the dynamic recrystallization of steel SKS51 more easily occurs with lower strain rate at higher deformation temperature ； by regression analysis the deformation activation energy and stress exponent of dynamic recrystallization of steel are respectively 336. 97 kJ/mol and 4.26

and based on this foundation the peak strain(ε

)

stable strain (ε

) and critical strain (ε

) model are established.

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