Influence of the Addition of Vanadium Nitride on the Structure and Specifications of a Diamond–(Fe–Cu–Ni–Sn) Composite System


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Abstract

This article discusses the influence of the addition of vanadium nitride on the mechanical and operational properties of diamond composite material based on metallic bond comprised of iron, copper, nickel, and tin obtained by sintering in a mold at 800°C for 1 h with subsequent hot repressing. It has been established that the addition of vanadium nitride in the amount of 2 wt % to diamond–(51Fe–32Cu–9Ni–8Sn) increases the ultimate compressive strength from 846 to 1640 MPa and bending strength from 680 to 1120 MPa, as well as decreases the wear intensity of the composite material from 0.0069 to 0.0033 g/km. The mechanism of improving the tribological properties has been revealed.

About the authors

V. A. Mechnik

Bakul Institute for Superhard Materials

Author for correspondence.
Email: vlad.me4nik@ukr.net
Ukraine, Kiev, 04074

N. A. Bondarenko

Bakul Institute for Superhard Materials

Email: vlad.me4nik@ukr.net
Ukraine, Kiev, 04074

N. O. Kuzin

Lvov Affiliate of Lazaryan National University of Railway Transport

Email: vlad.me4nik@ukr.net
Ukraine, Lvov, 79052

E. S. Gevorkian

Ukraine State University of Railway Transport

Email: vlad.me4nik@ukr.net
Ukraine, Kharkov, 61050

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