Formation of superhard multilayer microand nanostructured Ti-Hf-Si-N/NbN/Al2O3 coating with high mechanical and tribological properties

Abstract

A new variant of multilayered Ti-Hf-Si-N/NbN/Al<sub>2</sub>O<sub>3</sub> coatings were developed. Coatings were prepared by several deposition techniques such as plasma-detonation and vacuum-arc deposition using evaporation of the cathode. Nanocomposite coatings have a size of nanograins from 14-17 nm to 28-53 micron, high hardness from 21 to 56 GPa. The… (More)

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