Abstract
This article reviews the data on the wear of commercially available plastic-based bearing materials. Much of these data were obtained during the course of a six-year project at NCT, using a purpose-built test facility. The wear performance of materials has been assessed in terms of the effect of bearing pressure and surface temperature rather than PV factors. Basic wear data are presented on a wide range of materials. The effect of bearing pressure on the wear rate of some composite materials is discussed and the influence of wear debris removal on the wear rate at high loads is also assessed. The wear performance of filled-ptfe composites and polyimides at elevated temperatures is compared. These tribological data are presented in a form which is intended to enable designers to select appropriate materials and to estimate bearing life under the conditions of a particular application
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