A Dynamic Recovery Model for Flow Stress of Microalloyed Steel Produced by Compact Strip Production Process

万伦; 徐光; 陈振业; 刘莉; 吴开兵

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A Dynamic Recovery Model for Flow Stress of Microalloyed Steel Produced by Compact Strip Production Process

更新时间：2026-01-21

- A Dynamic Recovery Model for Flow Stress of Microalloyed Steel Produced by Compact Strip Production Process
- Special Steel Vol. 30, Issue 1, Pages: 19-21(2009)
- 作者机构：
  
  武汉科技大学钢铁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：30 July 2008，
  
  Online First：29 November 2022，
  
  Published：29 November 2009
- 稿件说明：
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万伦, 徐光, 陈振业, et al. A Dynamic Recovery Model for Flow Stress of Microalloyed Steel Produced by Compact Strip Production Process[J]. Special Steel, 2009, 30(1): 19-21.
DOI：

万伦, 徐光, 陈振业, et al. A Dynamic Recovery Model for Flow Stress of Microalloyed Steel Produced by Compact Strip Production Process[J]. Special Steel, 2009, 30(1): 19-21. DOI：

摘要

从动态回复的角度对CSP生产的一种微合金钢(%:0.055C、1.49Mn、0.44Cr、0.03Nb、0.05V、0.03Ti)应力-应变进行了研究

根据动态回复的原理导出了实验钢种在热变形过程中的应力-应变曲线的稳态应力;同时

简化了应力对应变的函数关系

得出该钢最终的动态回复型变形抗力(流变应力)模型σ=142.166×(0.201+17.103ε-170.376ε

+946.630ε

-2 834.266ε

+4 234.420ε

-2 467.373ε

)MPa。实验验证结果表明

模型预报误差为5.77%

能够满足轧制压力理论计算和实际生产的需要。

Abstract

A study on stress-strain of a microalloyed steel (% ： 0. 055C

1. 49Mn

0. 44Cr

0. 03Nb

0. 05 V

0. 03Ti) produced by Compact Strip Production (CSP) process has been carried out from the points of view of dynamic recovery and the steady stress of stress-strain curves of test steel in hot deformation process was deduced based on the principle of dynamic recovery

and with simplifying function relation between stress and strain the final flow stress (deformation resistance) model of dynamic recovery of the steel-σ =142. 166 x (0. 201 + 17. 103ε

- 170. 376ε + 946. 630ε

一 2 834. 266ε

+4 234. 420ε

-2 467. 373ε

) MPa was obtained. Experimental verification results showed that the prediction relative error of model was 5. 77% to meet the requirements of theoretical calcula

tion and actual production.

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