Study of the wear resistance of high-nitrogen steels under dry sliding friction

The fracture intensity of high-nitrogen Mn steels under dry rolling friction with sliding for loads from 40 to 60 kg is determined. During friction, a decrease in the wear intensity with increase in the load is observed, which is related to the running-in of a material. The important factor that prevents the intensive wear of alloys is a passivation film, which is recovered under friction in the presence of oxygen. During setting, the sizes of wear products under a load of 50 kg are 30–50 μm. On the friction surface in the tear zones, a higher content of carbide-forming elements is observed. This testifies to the intense fracture of the material in the region of these elements.