Friction and Wear of Potassium Titanate Whisker Filled Carbon Fabric/Phenolic Polymer Composites

Abstract

Carbon fabric/phenolic composites modified with potassium titanate whisker (PTW) were prepared by a dipcoating and hotpress molding technique, and the tribological properties of the resulting composites were investigated systematically using a ringonblock arrangement under different sliding conditions. Experimental results showed that the optimal PTW significantly decreased the wearrate. The worn surfaces of the composites and the transfer film formed on the counterpart steel ring were examined by scanning electron microscopy (SEM) to reveal the wear mechanisms. The transfer films formed on the counterpart surfaces made contributions to the improvement of the tribological behavior of the carbon fabric composites. The friction and wear of the filled carbon fabric composites was significantly dependent on the sliding conditions. It is observed that the wearrate increased with increasing applied load and sliding speeds.