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Surface Structurization of (AlN–TiN)–(Ni–Cr)–(TiN–Cr3C2) Composite Ceramics under Concentrated Solar Radiation

V.G.Kayuk,
 
O.Grigoriev,
 
A.Panasyuk,
 
T.Mosina
 

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, 2010, #01/02
http://www.materials.kiev.ua/article/1502

Abstract

A complex oxide film forms under concentrated solar radiation of the (AlN–TiN)–(Ni–Cr)–(TiN–Cr3C2) ceramic composite. The film ceramics has the high adhesion to the substrate and contains oxide phases which show chemical affinity to one another and form solid solutions. This film is continuous and protects the composite against further oxidation.


CONCENTRATED SOLAR RADIATION, MICROHARDNESS, MICROSTRUCTURE, NI–CR METAL SUBLAYER, OXIDE, SOLID SOLUTIONS, SURFACE LAYERS

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