Tribological and Mechanical Performance of Epoxy Resin Nanocomposites Reinforced With Nano‐Ti‐CNFs‐MoS ₂ Hybrid Fillers

Epoxy resins are characterized by high rigidity and strength, making them suitable for applications in the aerospace, automotive, construction, and electronics industries. However, their inherent brittleness significantly limits their effectiveness in terms of tensile strength, compressive strength, and wear resistance under demanding operational conditions. To address these limitations, this study presents the design and synthesis of a ternary hybrid nanofiller system composed of metallic nanoparticles (Nano‐Ti), ultrasmall inorganic molybdenum disulfide (MoS 2 ) nanoparticles, and carbon nanofibers (CNFs). These hybrid nanofillers were incorporated into an epoxy matrix to concurrently enhance its mechanical and tribological properties. The hybrid additives were integrated at various weight percentages, with the composite containing 4 wt% filler demonstrating the highest reinforcing efficiency. Comprehensive mechanical evaluation, including tensile, compression, and wear testing, along with scanning electron microscopy (SEM) analysis of fracture and wear surfaces, revealed that the incorporation of the hybrid fillers significantly improved the overall performance of the composites. These findings underscore the critical importance of optimizing filler loading to achieve a balance between dispersion stability and enhanced material properties. Furthermore, they provide valuable insights into the synergistic effects of combining metal and inorganic nanofillers, thereby establishing a theoretical foundation for future research and development of high‐performance epoxy‐based nanocomposites.