| 焊接热影响区晶粒长大过程的微观组织模拟 |
| |
| 引用本文： | 温俊芹,刘新田,莫春立,张世兴.焊接热影响区晶粒长大过程的微观组织模拟[J].焊接学报,2003,24(3):48-51. |
| |
| 作者姓名： | 温俊芹 刘新田 莫春立 张世兴 |
| |
| 作者单位： | 1. 郑州大学,郑州,450002
2. 沈阳工业学院,沈阳,110016 |
| |
| 基金项目： | 河南省自然基金资助项目 ( 0 14 0 45 2 10 ) |
| |
| 摘 要： | 利用蒙特卡罗方法(MC)结合焊接工艺试验，模拟了单相合金焊接热影响区(HAZ)的晶粒长大过程。文中首先应用试验方法确定了材料的晶粒长大动力学方程，在不同峰值温度和冷却速度等热输入的情况下，模拟结果再现了晶粒长大的动态过程，并体现出热钉扎效应。得出了与焊接实际过程相一致的模拟结果。为以后进行三维焊接热影响区晶粒长大模拟奠定了可靠的基础。
|
| 关 键 词： | 焊接热影响区 晶粒长大 微观组织 蒙特卡罗方法 单相合金 数值模拟 |
| 文章编号： | 0253-360X(2003)03-48-04 |
| 收稿时间： | 2002/10/17 0:00:00 |
Microstructure simulation of grain growth in heat affected zone |
| |
| WEN Jun qin,LIU Xin tian,MO Chun li and ZHANG Shi xing.Microstructure simulation of grain growth in heat affected zone[J].Transactions of The China Welding Institution,2003,24(3):48-51. |
| |
| Authors: | WEN Jun qin LIU Xin tian MO Chun li and ZHANG Shi xing |
| |
| Affiliation: | WEN Jun qin 1,LIU Xin tian 1,MO Chun li 2,ZHANG Shi xing 1 |
| |
| Abstract: | A method of Monte Carlo combined with welding experiments was adopted to simulate the grain growth process in heat affected zone of a single phase alloy.Firstly,the kinetic equation of grain growth was built with the experimental data .The effect of heat pinning,the welding heat input,the peak temperature and the cooling rate were studied,which have great influence on grain growth in HAZ.Good agreement between Monte Carlo simulation result and the real experiment results was obtained.It can provide a good basis for three dimension simulation of grain growth in HAZ. |
| |
| Keywords: | Monte Carlo simulation grain growth heat affected zone microstructure |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《焊接学报》浏览原始摘要信息 |
|
点击此处可从《焊接学报》下载全文 |
