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Publication Type : Journal Article
Publisher : Transactions of the Indian Institute of Metals, Springer India,
Source : Transactions of the Indian Institute of Metals, Springer India, Volume 72, Issue 6, p.1593–1596 (2019)
Url : https://link.springer.com/article/10.1007/s12666-019-01566-7
Keywords : Friction stir processing, Mechanical properties, NbC, Surface composites
Campus : Coimbatore
School : School of Engineering
Department : Mechanical Engineering
Verified : No
Year : 2019
Abstract : Aluminium alloy AA7075 matrix composites reinforced with varying vol% (5, 10 and 15 vol%) of niobium carbide (NbC) were fabricated by friction stir processing. Micrographs revealed that a homogeneous dispersion of NbC in the AA7075 matrix had no interfacial reaction. Significant degree of grain refinement was observed in the composites due to dynamic recrystallization and pinning effect of NbC particles. Hardness and tensile strength of AA7075 matrix were found to be enhanced by the addition of NbC particles. The fracture surface of the tensile-tested samples revealed deep dimples indicating a good ductility.
Cite this Research Publication : T. Satish Kumar, G Priyadharshini, S., Shalini, S., K Kumar, K., and Subramanian, R., “Characterization of NbC-Reinforced AA7075 Alloy Composites Produced Using Friction Stir Processing”, Transactions of the Indian Institute of Metals, vol. 72, no. 6, pp. 1593–1596, 2019.