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  4. № 07/08 2015
  5. P. 69

Effect of the Operating Conditions on the Formation of the Microstructure and Properties of the (Ti, Zr)N Coating Sprayed on Chromium Carbide Steels

V.Masluk,
 
Ya.A.Sytnik,
 
I.I.Bilyk,
 
V.Varchenko
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2015, #07/08
http://www.materials.kiev.ua/article/1972

Abstract

А complex nitride (Ti, Zr)N coating on chromium carbide steels Kh13M2–30% (vol.) Cr3C2 and Kh17N2–30% (vol.) Cr3C2 are obtained. The optimal spraying conditions are determined. The effect of spraying time on the hardness, structure, adhesion strength, and wear resistance of the coatings produced during sliding friction (counterface—steel ShKh15) is investigated. It is established that annealing at 900–1200 °C promotes an active interaction of the coating elements with substrate accompanied with the formation of a transition zone. It is found that the coatings of (Ti, Zr)N sprayed at the nitrogen pressure of P = 2 Pa, stand-off distance d = 230 mm, and spraying time 30–40 min possess the best mechanical and tribotechnical properties.


CARBURIZED STEEL, COATINGS, COMPLEX NITRIDE, SPRAY DEPOSITION, TRIBOTECHNICAL PROPERTIES, WEAR RESISTANCE

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