ferramentas de corte revestidas tendo um gradiente de concentração de metal do grupo da platina e processos relacionados

摘要

The present disclosure is directed to cutting tools. The disclosed cutting tools may have a wear resistant coating on a substrate. The substrate may have hard particles cemented in a binder phase. The binder may have a near-surface concentration gradient of at least one platinum group element and/or rhenium. Processes for producing cutting tools are also disclosed.