Numerical simulation of gas metal arc welding temperature field

被引：4
|
作者：
郑振太 [1 ]
单平 [2 ]
胡绳荪 [2 ]
魏欣伟 [3 ]
杨敬雷 [3 ]
机构：
[1] School of Materials Science and Engineering Tianjin University,Tianjin,300072. School of Materials Science and Engineering,Hebei University of Technology,Tianjin,300132.
[2] School of Materials Science and Engineering Tianjin University,Tianjin,300072.
[3] School of Materials Science and Engineering Hebei University of Technology,Tianjin,300132.
来源：
China Welding | 2006年 / 04期
关键词：
temperature field; numerical simulation; heat source model; droplet;
D O I：
暂无
中图分类号：
TG444.7 [];
学科分类号：
080201 ; 080503 ;
摘要：
The infrared camera is used to investigate the temperature field of gas metal arc welding.The results show that the temperature distribution of weld pool and adjacent area appears cone shape.A new heat source model combined by Gaussian distribution heat source of the arc and conical distribution heat source of the droplet is set up based on the experimental results, and with the combined boundary conditions,the temperature field of gas metal arc welding is simulated using finite element method.According to the comparison between the results of experiment and simulation in temperature field shows that the new combined heat source model is more accurate and effective than the Gauss heat source model.
引用
收藏
页码：55 / 58
页数：4
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