Wear Behavior of AL-7075 Composites Reinforced with Boron Carbide

Abstract

Lightweight and high-performance materials are required for the application in automobile, aerospace, aircraft industries. The lightweight material can be obtained by developing composites by adding hard reinforcement particulates in the matrix of soft material. In this investigation, composites have been developed with varying weight% (6, 8, 10, and 12) of B 4 C in the matrix of Al7075. The mechanical properties and wear behavior of the composites were determined. Tensile strength and hardness were increased with an increase in weight % of the reinforcement. The wear rate was increasing with an increase in the sliding velocity at constant load. However, the increase in wear rate at velocities from 1.5 m/s to 2.5 m/s was decreasing with an increase in the weight% of the reinforcement.