Dynamic analysis of globular metal transfer in gas metal arc welding

Article From iop.org
06/19/1995

Brief Summary:

A mathematical model to describe the globular transfer in gas metal arc welding is developed.
This work is both theoretical and experimental.
Using the volume-of-fluid (VOF) method, the fluid-flow and heat-transfer phenomena.
During the impingement of a droplet on a solid substrate, arc striking.
The impingement of multiple droplets on the molten pool and finally the solidification after the arc extinguishes are dynamically studied.
A He-Ne laser in conjunction with the shadow-graphing technique is used to observe the metal-transfer processes.

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