Abstract
The tribological behavior of Al-8.42Fe-1.29V-1.93Si/SiCp composites was investigated using a ball-on-disc tribometer under dry sliding conditions. The coefficient of friction (COF) and the wear rate of the composites were evaluated over a load range of 2 – 25 N with sliding speed from 800 to 1600 rpm. Scanning Electron Microscopy (SEM) was utilized to examine worn surfaces and wear debris to reveal the wear mechanism. The results showed that the increase of sliding speed and load led to the decrease of average COF. The wear rate was mainly affected and was positively correlated with the applied load. Abrasive wear and oxidative wear were the dominant wear mechanisms at low loads, while the primary mode of wear mechanism transformed from adhesive wear at medium loads to severe delamination wear at high loads.
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