Metallurgy, Vol. 58 No. 1-2, 2019.
Original scientific paper
Optimal corrosive behaviour on the weldment of AA6063 aluminum alloy by tungsten inert gas (TIG) welding process with backing plates
S. Om Prakash
; Dept. of Mechanical Engineering, Sri Ranganathar Institute of Engineering and Technology, Coimbatore, India
P. Karuppuswamy
; Dept. of Mechanical engineering, Sri Ramakrishna Engineering College, Coimbatore, India
N. Nirmal
; Dept. of Mechanical Engineering, United Institute of Technology, Coimbatore, India
Abstract
Pertaining on the present work on improving the corrosion resistance of AA 6063 aluminum alloy is found to weld with many backing plate materials like stainless steel, copper, marble and brass in accordance to the welding process that inherits itself with TIG. Utilizing the Orthogonal array L16, experiments were carried out. The corrosion resistance was improved by optimizing the pulsed TIG welding process parameters like current (A), gas flow rate (B), backing material (C) and backing thickness (D) using Genetic Algorithm (GA). Results proved that the GA shows a better corrosion resistance rate that was obtained to about 0,0408 mm/year with the backing material as copper.
Keywords
corrosive; AA 6063 alloy; welding; backing plates; Taguchi method
Hrčak ID:
206504
URI
Publication date:
1.1.2019.
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