Study on Friction Coefficient between Carbon/Epoxy Composites and a Monocrystalline Diamond under Different Temperatures

Abstract

The main source of heat generation during machining of carbon/epoxy composites is the friction among cutting tool, chip and workpiece. The friction coefficient between carbon/epoxy composites and a monocrystalline diamond under different temperatures was investigated. The results show that the friction coefficient between diamond and carbon/epoxy composites changes with the variation of temperature due to the change of properties of epoxy resin. The friction coefficient increases with the increasing temperature. However, when the temperature of workpiece was higher than the glass transition temperature of epoxy resin, the friction coefficient decreased.