PRODUCTION OF REINFORCING SANDWICHED COATINGS Russian patent published in 2016 - IPC C23C14/48 C23C14/02 C23C14/34 C23C14/06 

FIELD: process engineering.

SUBSTANCE: article and current conducting material are arranged in the processing zone to be rarefied. Negative potential is fed to the article and to the current conducting material. Note here that said current conducting material consists of at least two components each being a metal or an alloy. Vacuum arc is excited alternatively at each component of current conducting material. Current conducting material ions are accumulated and diffused on the article surface in the medium of shielding gas or in the medium of reactive gas and inert argon gas at the negative potential at the article of 60-180 V and intermittent bombardment of the article surface by gas ions of 20-40 keV energy.

EFFECT: higher erosion and stable heat resistance.

4 cl, 1 tbl