The dynamic analysis of metal transfer in pulsed current gas metal arc welding

被引：40
|
作者：
Choi, SK
Yoo, CD
Kim, YS
机构：
[1] Korea Adv Inst Sci & Technol, Dept Mech Engn, Yusong Gu, Daejon, South Korea
[2] Hongik Univ, Dept Mat Sci & Engn, Seoul, South Korea
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 1998年 / 31卷 / 02期
关键词：
D O I：
10.1088/0022-3727/31/2/006
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The dynamic characteristics of metal transfer in the pulsed current gas metal are welding are analysed using the volume of fluid method incorporating the electromagnetic force. The surface profile and the velocity distribution of fluid in the drop are computed numerically. The viscous flow and inertial force of a molten metal generated by the peak current are found to have significant effects on the metal transfer and drop detachment. The ranges of the pulsing frequency for which one drop is detached per current pulse are predicted and calculated results are in good agreement with the experimental data with some discrepancy for low load duty cycles.
引用
收藏
页码：207 / 215
页数：9
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