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  • [Parametric study of FSSW of aluminium alloy 5754 using a pinless tool : presented to study group III at the 66th Annual Assembly of the International Institute of Welding, Essen, September 2013]
    Klobčar, Damjan ...
    A parametric study of friction stir spot welding (FSSW) using pinless tool with a scrolled shoulder ofaluminium alloy 5754 in a lap joint is presented. Experimental plan was done according to ... theresponse surface methodology (RSM), where tool rotation speed varied between 988 and 3511 revmin-1, plunge rate between 24.4 and 150 mm min-1 and dwell time between 1 and 3.5 s. The plungedepth was constantly 0.4 mm. During the welding an axial force and torque were monitored usingdynamometer. The welds were tensile-shear tested and the broken samples were visually examined.The weld bond line and microstructure was analysed using light optic microscope under polarisedlight. Mathematical models describing the relationship between welding parameters and spot strength,axial force and rotational moment were developed. Optimal FSSW parameters were found at whichmaximal joint strength was obtained. At these welding parameters the axial force and torque were inthe lower range among tested parameters.
    Type of material - performed work (event) ; adult, serious
    Publication and manufacture - [2013]
    Language - english
    COBISS.SI-ID - 13240859

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