| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: coating consists of adhesion layer successively applied on surface of tool. The layer has a composition Nb+Cr+Zr, where , and are weight shares of corresponding metals, values of which are chosen within ranges from 0 to 1, while ++=1. Further, this coating consists of transit layer of composition NbN+CrN+ZrN, where , and are weight shares of corresponding nitrides, values of which are chosen within ranges from 0 to 1; ++=1 Also, the transit layer contains at least one nitride of metal entering composition of the adhesion layer and nano structured wear resistant layer consisting of repeating complex of nano layers çNbN+CrN+ZrN, where ç, and are weight shares of corresponding nitrides in each nano layer, values of which are chosen within ranges from 0 to 1; ç++=1. The first nano layer contacting the transit layer has a similar to it composition. ^ EFFECT: improved quality of tool with coating due to high adhesion of layers between them. ^ 22 cl, 1 dwg, 1 tbl, 1 ex |
