An Investigation on Effect of Process Parameter of Pulsed Tig Welded Aluminum Alloy on Mechanical and Corrosion Properties
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 10
Abstract
Aluminium 6061 alloy is commonly used for construction of aircraft structures, such as wings and fuselages, more commonly in homebuilt aircraft than commercial or military aircraft. AA 6061-T6 aluminum alloy is widely applied because of its beneficial properties like light weight, corrosion resistance, high strength to weight ratio, low cost, etc. The pulsed current gas tungsten arc welding (PCGTAW) is widely used for quality welding of aluminium alloys in the large structures.Determination of the heat input by varying the base current and the subsequent effect on micro structural and micro hardness formation is investigated. From this investigation it was found that the joint made from the PCGTAW yielded superior tensile properties and impact strength due to the higher hardness and fine microstructure.
Authors and Affiliations
Mr . C. Parthasarathy , Mr. D. Sathyaseelan
Keywords
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