Abstract
Dry sliding pin-on-disc wear tests have been carried out on an austempered spheroidal cast iron. The wear resistance was found to be orders of magnitude greater than the parent as-cast spheroidal iron and a much harder steel. The study of the wear behaviour was conducted as a function of sliding velocity between 0.5 m s −1 and 2.0 m s −1 at a load of 2 MPa. A distinction in the wear behaviour was found with severe wear at low speeds and mild wear at high speeds. This distinction has been related to oxide formation, microstructural and surface-hardening characteristics.
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