SPOT WELDING AA5451 WITH BRASS FOIL INTERLAYER TO IMPROVE RESISTANCE TAGUCHI METHODE
Keywords:
Engineering, resistance spot welding, foil, TaguchiAbstract
This study examined how RSW factors effect AA5451 connections with brass foil interlayers. Welding values were 12750 and 13500 Amps, 40 and 45 Bar, 1.2, 1.4, and 1.6 seconds. Squeezing and holding took 1.98 seconds in all scenarios. As an interlayer, we used 0.1-millimeter copper foil (C26800) and 1-millimeter AA5451. Shear testing verified the welded specimen's absolute power. Taguchi and Minitab were used to assess shear force test data. The data showed that increasing pressure on the joint decreased its tensile force, whereas increasing welding current increased it. Shear force was decreased from 1.2 to 1.4 seconds but substantially higher from 1.4 to 1.6 seconds due to welding duration. Foil increased joint tensile force by 16%. The best conditions for welding brass foil were 13500 Amps, 40 Bar electrode pressure, and 1.6 seconds. This study constructed a theoretical shear force model based on welding parameters.
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Copyright (c) 2023 Rishabh Arora, Aishwarya Shekhar, Sujatha S R
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