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Motallebzadeh, Amir
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Publications (4/4 displayed)
- 2022Prediction of properties of friction stir spot welded joints of AA7075-T651/Ti-6Al-4V alloy using machine learning algorithmscitations
- 2021The experimental study of CFRP interlayer of dissimilar joint AA7075-T651/Ti-6Al-4V alloys by friction stir spot welding on mechanical and microstructural propertiescitations
- 2021Friction stir spot welding of AA5052 with additional carbon fiber-reinforced polymer composite interlayercitations
- 2019Effect of electron beam surface melting on the microstructure and wear behavior of Stellite 12 hardfacingcitations
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article
Friction stir spot welding of AA5052 with additional carbon fiber-reinforced polymer composite interlayer
Abstract
<jats:title>Abstract</jats:title><jats:p>In this study, similar aluminum alloys AA5052 with additional carbon fiber-reinforced polymer composite (CFRP) interlayer were selected to investigate the effect of welding parameters (rotational speed and dwell time) on the mechanical properties, joint efficiency, and microstructure of friction stir spot weld joint. The maximum tensile shear load was 1779.6 N with joint efficiency of 14.6% obtained at rotational speed of 2,000 rpm and 2 s dwell time, which is 39.5% higher than the value at low rotational speed 850 rpm and 2 s dwell time. Meanwhile, the maximum microhardness 58 HV was attained in the keyhole region at rotational speed of 2,000 rpm and dwell time of 5 s, which is 22.4% higher compared to low rotational speed. The SEM-EDS results reveal the presence of intermetallic compounds (Al–Mg–C), which enhance the intermetallic bonding between elements.</jats:p>