Computer Simulation on Temperature Field and Phase Transformation of Quenching Heavy Rail End

张敏; 赵刚; 胡瑞海; 李文凯; 陈先舟; 楚双学; 董茂松

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Computer Simulation on Temperature Field and Phase Transformation of Quenching Heavy Rail End

更新时间：2026-01-21

- Computer Simulation on Temperature Field and Phase Transformation of Quenching Heavy Rail End
- Special Steel Vol. 31, Issue 5, Pages: 14-17(2010)
- 作者机构：
  
  1. 武汉科技大学材料与冶金学院,武汉,430081
  2. 武汉钢铁集团公司,武汉,430083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：10 May 2010，
  
  Online First：11 November 2022，
  
  Published：11 November 2010
- 稿件说明：
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张敏, 赵刚, 胡瑞海, et al. Computer Simulation on Temperature Field and Phase Transformation of Quenching Heavy Rail End[J]. Special Steel, 2010, 31(5): 14-17.
DOI：

张敏, 赵刚, 胡瑞海, et al. Computer Simulation on Temperature Field and Phase Transformation of Quenching Heavy Rail End[J]. Special Steel, 2010, 31(5): 14-17. DOI：

摘要

运用有限元法对U71Mn钢(%:0.65～0.76C、0.15～0.35Si、1.10～1.40Mn、≤0.030V、≤0.025Ti)重轨端部电磁感应加热55 s

空冷8 s

喷风冷却42 s

空冷至常温的热处理过程进行了计算机模拟分析

计算机图形学理论动态显示轨端内部任意时刻的温度分布、组织分布。模拟结果表明

在该冷却条件下淬火后端部横断面组织为细片状珠光体(索氏体+托氏体)

无马氏体、贝氏体等组织

与实验结果相吻合。

Abstract

A computer simulation analysis on heat treatment process (electromagnetic induction heating for 55 s

air cooling for 8 s

wind cooling for 42 s then air cooling to ambient) of heavy rail end of steel U71Mn (% : 0.65 -0.76C

0.15 ~0.35Si

1.10~1.40Mn

≤0.030V

≤0.025Ti) has been carried out by using finite element method and computer graphics theory to dynamically display the distribution of temperature and structure in rail end at any time. Simulation results show that at the cooling condition the quenched structure of cross section of rail end is fine lamella pearlite (sorbite + troostite) without martensite and bainite structure to meet the experimental results.

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