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The welding process is a permanent connection for metal materials using heat energy. GTAW (Gas Tungsten Arc Welding) method carried out on AISI 1045 steel material with solid round shape, which has the characteristics and properties of slightly above low carbon steel. was based AWS A5.18 standard specifications, in this study. by varying amperage between 70, 90, 110 amperes as well ER70S-G seri...

Cracking is a major concern in welding aluminum alloys. Although weld solidification cracks can be eliminated through the addition of filler metal, the additives modify the alloy or base metal constituents and may not always be desirable. High-energy beam processes, such as electron beam welding, that result in minimal heat input reduce crack sensitivity, but their high cost limits their applic...