Physical and mechanical properties of (Ti-Zr-Nb)N coatings fabricated by vacuum-arc deposition.

Autor: Beresnev, V., Sobol, O., Grankin, S., Nemchenko, U., Novikov, V., Bondar, O., Belovol, K., Maksakova, O., Eskermesov, D.
Zdroj: Inorganic Materials: Applied Research; May2016, Vol. 7 Issue 3, p388-394, 7p
Abstrakt: By vacuum-arc evaporation of a multielement Ti + Zr + Nb cathode in a nitrogen atmosphere, (Ti-Zr-Nb)N coatings are deposited on steel substrates. The coatings are characterized by a columnar structure with nanosized (10-63 nm) crystallites of the main FCC nitride phase (Ti-Zr-Nb)N. At maximal nitrogen pressure P = 4 × 10 Torr, an axial structure of growth of (Ti-Zr-Nb)N crystals with [111] axis is formed, and a maximal coating microhardness value about 45 GPa and adhesion strength of 67 GPa are reached. The friction factor for the system of 'coating-AlO' is 1.1. Such coatings seem to having prospects as protective ones for couples of friction and cutting tools. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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