Joining Dissimilar Metals between Steel and Aluminum by TIG Welding

Abstract:

The effect of welding current on the joining of mild steel and aluminum 6063 has been investigated. The joining was carried using a tungsten inert gas (TIG) welding. The welding currents used were 30 A to 80 A. The formation of intermetallic reaction layers (IML) and tensile shear strength of the joining were investigated. The result showed that tensile shear strength increased as welding current increased up to 55 A. Microstructural analysis showed that intermetallic reaction layer was formed at the interface between steel and aluminum alloy during welding process. The thickness of IML was decreased with decreasing welding current.

• Periodical: Materials Science Forum (Volume 819)
• Pages: 45-49
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.819.45
• Online since: June 2015
• Authors: Shamsul Baharin Jamaludin*, Mohd Zahir Abd Latif, Mazlee Mohd Noor, Kamarudin Hussin
• Keywords: Aluminium, Intermetallic, Mild Steel, Shear Strength, Welding

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