Tensile Properties of Al 6061 Alloy Surface Composite Via Friction Stir Processing


Authors : E SADANANDAM; P JAGATH KUMAR; D.VINOD; G.ANIL KUMAR

Volume/Issue : Volume 8 - 2023, Issue 5 - May

Google Scholar : https://bit.ly/3TmGbDi

Scribd : https://bit.ly/45KZ8oS

DOI : https://doi.org/10.5281/zenodo.7997839

In the current work, attempts were made to create friction stir processed Al-based nano composites (FSP). The microstructure of the nugget zone (NZ) was improved by the addition of Al2O3 and Tic nanoparticles, and the growth of granular material in the heat-affected zone was constrained (HAZ). The impacts of adding Al2O3 and Tic nanoparticles on the development of the grain structure and various mechanical properties of the friction stir-welded aluminium matrix were thoroughly investigated. The results showed that the addition of Al2O3 and TiB2 nanoparticles caused a remarkable refinement of grains in the nugget zone because of the pinning effect produced by nano-sized Al2O3 and TiB2 particles that prevent the grain growth followed by recrystallization during FSW, leading to a remarkable reduction in the amount of grain that was unable to be refined.

Keywords : Friction Stir Processing, Nugget Zone, Grain Growth.

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