Multi Response Optimization of Friction Stir Lap Welding Process Parameters Using Deng’s Similarity Based Method
Journal Title: International Journal of engineering Research and Applications - Year 2017, Vol 7, Issue 2
Abstract
This study focuses on the effect of process parameters such as Tool rotational speed, Welding speed and Tool tilt angle in Friction stir Lap welding of dissimilar AA 5083 and AA 6082 alloys. Experiments are designed with three different levels of process parameters using Taguchi orthogonal array. As per DOE, experiments are conducted using Taper threaded cylindrical tool which is made up of with H13 tool steel, on Aluminium plates of 3mm thickness. The Tensile shear test specimens are tested at room temperature in order to analyze the mechanical properties. Vicker’s hardness is also conducted to check the hardness of welded zone. Multi response characteristics include hardness, shear strength, elongation percentage and peak load are optimized using a multi criteria decision making approach. The optimum values are found at tool rotational speed of 710 rpm, welding speed of 1.5 mm/min and tool tilt angle of 1 degree.
Authors and Affiliations
Dr. P Hema, P Yamini priya, M Reddeiah
Keywords
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- EP ID EP390164
- DOI 10.9790/9622- 0702041924.
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