Abstract
Wear and friction properties of austenitic manganese (Hadfield) steel were studied with two different sliding velocities under combined rolling, sliding and impact conditions using an Amsler wear test machine. Under dry friction, both wear rates and friction coefficients were higher at the lower slip velocity; with lubrication there was no measurable wear rate and the friction coefficient was lower at the lower slip velocity. Dry sliding produced considerably more work hardening of the surface than that obtained under lubricated conditions. The. depth of work hardening under dry sliding was more at the lower slip velocity. Dry sliding produced magnetic iron oxide wear products, and the surface was considerably roughened. Lubricated sliding produced no damage to the surface and probably improved the finish.
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