Abstract
This study explores the escalating significance of lightweight and biocompatible biomedical implants with a high strength-to-weight ratio, revolutionizing critical medical applications. Despite these merits, their widespread use is hampered by poor tribological performance. Investigating the impact of TiC nanoparticles, we synthesized Ti6Al4V (Ti64) powders with varying TiC content using spark plasma sintering. The resulting nanocomposites exhibited enhanced wear resistance attributed to heightened hardness and oxidation wear resistance. Notably, at 2.5 wt% TiC content, nanohardness reached 8.99 GPa, and specific wear rate significantly decreased to 4.2 × 10−9 mm3/N-m under constant loading (20 N, 1 Hz). This reveals substantial improvements compared to Ti64 monolithic alloys, emphasizing the potential for advancing implant materials.
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