Wear Characteristics of Phosphor-Bronze/Boron Carbide Particulate Composites

Abstract:

The tribological properties of metal matrix composites (MMC’s) is of interest in several applications like bearing sleeves, piston and cylinder liners, aircraft brakes etc. The wear behaviour of unreinforced as well as B₄C particles reinforced phosphor-bronze alloy composite material is studied as a function of sliding speed and applied loads under un-lubricated conditions. The content of B₄C particles in the composite was varied from 1-6% in steps of 2% by weight. A pin on disc wear testing machine was used to evaluate the wear rate, in which cast iron disc was used as the counterface. Loads of 10-30N in steps of 10N and speeds of 1.30, 1.83 and 2.30 m/s was employed. The results indicated that the wear rate of both the composites and the matrix alloy increased with increase in load and sliding speed. However, the composites exhibited lower wear rate than the alloys.

• Periodical: Applied Mechanics and Materials (Volume 550)
• Pages: 48-52
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.550.48
• Online since: May 2014
• Authors: P. Sankaravadivel, N. Babu*, M. Samuel Gemsprim, N. Natarajan
• Keywords: Boron Carbide, Composite Material, Phosphor-Bronze

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