Abstract
In order to clarify the influence of plating current density on friction and wear properties of electroplated chromium molybdenum films at high temperature, films deposited on a steel substrate under high and normal current densities were used as specimens. Friction and wear properties of the films at high temperature were evaluated by using a pin-on-disk type wear testing machine under un-lubricated condition. The result showed that low friction coefficient was obtained for the film deposited at high current density tested at a temperature of 473K. The decrease in wear loss of the pin and wear sectional area of the film was observed for the film deposited at high current density. Microscopic observation showed that wear products consisted of oxides of the pin containing chromium and flake-like delamination of the film occurred during repeating sliding contact
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