Wear Behavior of Ti6Al4V Based Hybrid Composites Reinforced with TiB2(7.5%) + TiC (7.5%)

Abstract

Titanium matrix composites (TMCs) have a greater capacity to realize needs and wishes in aviation, modern firearm systems, and the locomotive sector due to the outstanding specific strength, higher temperature stability, particular stiffness, and resistance to corrosion. However, due to weak tribological characteristics and low hardness, titanium and its alloys' applicability in harsh friction and wear environments are severely constrained. The goal of this research is to improve the wear properties of Ti6Al4V-based hybrid composites reinforced with TiB2(7.5%) + TiC (7.5%). The dry sliding characteristic of powder metallurgy Ti6Al4V alloy and Ti6Al4V/ TiB2(7.5%) + TiC (7.5%) powder metallurgy composites was examined. The wear and friction behaviour of TMCs are explored utilising a pin-on-disk wear tester in a variety of circumstances. The results show that when the sliding speed increases, the particular wear rate increases as well. With the assistance of a Field Emission-Scanning Electron Microscope (FE-SEM) and Energy Dispersive Spectroscopy(EDS), the impact of TiB2 and TiC enhancement on titanium alloy microstructure as well as wear parameters were investigated. The wear resistance of the Ti6Al4V matrix was found to be increased by adding TiB2 and TiC to the sterilised Ti6Al4V matrix.