Abstract

AbstractThe objective of present research is to examine the effect of friction welding parameters on the impact energy of fabricated weldments during the welding of mild steel with aluminium alloy AA7075. An attempt has also been made to formulate the mathematical relationship between the welding conditions and impact strength. The rotational speed, welding time and workpiece diameter have been considered as welding conditions. The workpiece diameter has been found most significant welding parameter that affects the impact strength of weldments followed by rotational speed and welding time. The R2 and adjusted R2 values for the impact strength prediction model have been found as 0.991 and 0.980, respectively, which are very close to each other.KeywordsFriction weldingImpact energyAA7075Mild steel

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