On wear characteristics of leaded aluminium-silicon alloys

Abstract

Wear characteristics of Al-Si-Pb alloys with silicon content from 2 to 20 wt% and lead from 2 to 10 wt% have been studied using a pin-on-disc type wear testing machine at room temperature. The effects of applied load, sliding velocity and alloy composition on wear rate of Al-Si-Pb alloys have been investigated. It has been found that wear rate is strongly dependent on alloy composition, applied load and sliding speed. Wear rate decreases and load bearing capacity of the alloy increases with increase in lead content. Wear rate of Al-Si-Pb alloys initially decreases and then increases with increase in sliding speed. Wear mechanism map predicting nature of the wear processes can be prepared for aluminium alloys. © 1994.