Effect of structure on the properties of white chromium cast irons

White chromium cast irons are used as wear-resistant materials operating under conditions of intense abrasive and impact-abrasive wear. The high wear resistance of white chromium cast irons is determined primarily by the presence of a large amount (30% or more) of solid chromium carbides of the M7C3 type. At the same time, an important effect on their operating characteristics is exerted by the state of the metallic base, which can have various structures depending on the alloying conditions and the heat treatment.