Some Characteristics of the MIG Arc and Their Influence on Metal Transfer

Abstract

Metal Inert Gas (MIG) welding is a process in which a continuously fed wire electrode is passed through a nozzle in the welding torch where it picks up current from a contact tube and gets melted in an arc. The wire, as it comes out and the arc are shielded by an inert gas issuing out of the nozzle. The process has become very popular comparatively recently.