Abstract
A novel hybrid aluminium-based nano-B4C and carbon nanofibers (CNF) reinforced nanocomposite has been developed using powder metallurgy. The microstructure and mechanical properties have been evaluated using field emission scanning electron microscopy, transmission electron microscopy, hardness, and compression testing. The microstructural analysis reveals that the nano-B4C and CNF are dispersed in the aluminium matrix, resulting fine-grained structure. The 2 vol% hybrid nanocomposite shows a 182.9% increase in compressive strength, while the 4 vol% nano-B4C composite achieves the highest hardness, 62.18% greater than pure aluminium. Tribological tests using a dry sliding pin-on-disc indicate a 53.2% reduction in wear rate for the 2 vol% hybrid nanocomposites. These findings highlight the potential application of this material in the automotive and aerospace industries, where enhanced strength and wear resistance are crucial.
Published Version
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