Abstract
In this study, the Friction stir spot welding (FSSW) of 2024-T3 aluminum alloy with 1.6 mm thickness was investigated. The effects of the silicon carbide (SiC) nanoparticles on the metallurgical and mechanical properties were discussed. The effects of particles on tensionshear and wear tests were also investigated. The process was conducted at a constant rotational speed of 1000 rpm. Results showed that adding SiC nanoparticles to the weld during FSSW had a major effect on the mechanical properties. In fact, the addition of nanoparticles as barriers prevented grain growth in the Stir zone (SZ). The data obtained in the tensile-shear and wear tests showed that tensile-shear load and wear resistance increased with the addition of SiC nanoparticles, which was attributed to the fine grain size produced in the SZ.
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Moslem Paidar received his B.S. degree in Materials Engineering from the Shahrekord University, Shahrekord, Iran in 2010. He received his M.S. degree from the Graduate School of Materials Engineering, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran in 2013. Mr. Paidar is currently a Ph.D. student at the Department of Materials Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran. Mr. Paidar’s research interests include laser beam welding, diffusion welding, friction stir spot welding, and brazing for dissimilar materials and light metals.
Mahsa Laali Sarab received her B.S. degree in Materials Engineering from the Parsian University, Qazvin, Iran in 2014. She received her M.S. degree from the Graduate School of Materials Engineering, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran in 2013. Ms. Laali Sarab’s research interests include friction stir spot welding for dissimilar materials.
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Paidar, M., Sarab, M.L. Friction stir spot welding of 2024-T3 aluminum alloy with SiC nanoparticles. J Mech Sci Technol 30, 365–370 (2016). https://doi.org/10.1007/s12206-015-1241-4
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DOI: https://doi.org/10.1007/s12206-015-1241-4