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A TIG WELDING PROCESS PARAMETER EXPERIMENTAL INVESTIGATION ON AL-ALLOY WELDMENTS

1. Sreekanth¹, B. V. Siva Prasad Reddy², Dr. Y. Hariprasada Reddy³

¹²³Department of Mechanical Engineering & Rayalaseema University College of Engineering

Abstract - Welding is a common practice in the aerospace, automotive, shipbuilding, and other industries nowadays. Tungsten Inert Gas (TIG) welding is a popular welding technique used for welding titanium, stainless steel, and aluminum alloys that are challenging to weld using conventional techniques. Aluminum alloys come in several series, including 5000, 6000, and 7000, among others, and might vary from one another depending on the alloying elements used. The 6000 and 2000 series of aluminum alloys are chosen for this task as the basic material because of its outstanding corrosion resistance, good extrusion, and widespread application in automotive and aerospace constructions. The effects of welding process variables, such as current, voltage, weld speed, and shielding gas flow rate, on the mechanical and metallurgical properties of the welded joints is crucial to overcoming issues that arise when welding aluminum alloys and other alloys together. A variety of mechanical and metallurgical tests must be carried out to determine the quality of the welded joints. An investigation of the mechanical properties of aluminum alloy will be conducted together with a weld trial to determine the combined influence of TIG welding process parameters. By altering the welding settings, the aluminum alloy plate can be welded.

Key Words: TIG welding machine, Radiography and Ultrasonic Test machine, Tensile strength, AL-Alloys.