Effect of groove angle and preheating temperature on temperature profile and fluid velocity in weld pool

被引：0
|
作者：
Chen, Ji [1 ,2 ]
Zong, Ran [1 ,2 ]
机构：
[1] MOE Key Laboratory for Liquid-Solid Structural Evolution and Material Processing, Institute of Material Joining, Shandong University, Jinan, 250061, China
[2] Provincial Key Lab of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang, 212003, China
来源：
China Welding (English Edition) | 2014年 / 23卷 / 02期
关键词：
Flow of fluids - Thermal cycling - Gas welding - Preheating - Welds;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The three dimensional transient weld pool dynamics are numerically analyzed for Forcearc® welding, which is a new gas metal arc welding technology to get deep fusion penetration with smaller angle of V groove to enhance welding efficiency significantly. The influence of groove angle and preheating temperature on heat and fluid flow is studied and compared to get an optimal welding parameter. Good agreement is shown between the predicted and experimental results, such as weld bead cross-section and thermal cycles. It can be seen that an appropriate groove angle could be used to replace high preheating temperature to get improved penetration and thermal cycles. Copyright: © 2014 Editorial Board of CHINA WELDING.
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页码：78 / 82
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