Abstract
This study attempts to incorporate SiC particles in the weld zone during friction stir welding of Al 6351 alloy. SiC particles of suitable size (12 μm) were added during welding at the weld zone through a special arrangement, and thus joined Al 6351 alloy plates were evaluated for their mechanical properties under two different conditions, i.e. in the as-weld condition and under annealed condition. The results of the study reveal that the mechanical properties of the SiC particle added Al 6351 alloy welded joints are superior in both as-weld and under annealed condition, compared to their plain Al 6351 alloy welded joints. Microstructural examination of the welded joints reveals that pinning effect of grain coarsening has occurred on account of addition of SiC particles in the weld region.
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Karthikeyan, P., Mahadevan, K. Investigation on the effects of SiC particle addition in the weld zone during friction stir welding of Al 6351 alloy. Int J Adv Manuf Technol 80, 1919–1926 (2015). https://doi.org/10.1007/s00170-015-7160-9
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DOI: https://doi.org/10.1007/s00170-015-7160-9