CAST PROTECTIVE Mo2NiB2-BASED COATINGS BY CENTRIFUGAL SHS...

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CAST PROTECTIVE Mo 2 NiB 2 -BASED COATINGS BY CENTRIFUGAL SHS D.M. Ikornikov 1 , V.N. Sanin 1 , D.E. Andreev 1 , V.I. Yukhvid 1 B. Derin 2 , and O. Yücel 2 1 Institute of Structural Macrokinetics and Materials Science, Russian Academy of Sciences, Chernogolovka, Moscow, 142432 Russia 2 Istanbul Technical University, Maslak, Istanbul, 34469 Turkey e-mail: [email protected] WC–Co metal matrix composites (MMCs) are widely used in manufacturing cutting tools and as a material of nozzles, wear-resistant machine parts, guide rolls, seal rings, armour, and other functional applications. But relatively low corrosion resistance and electrical/thermal conductivity of these materials stimulates a search for new tungsten-less materials with a bunch of better service parameters. Among other hard materials, some complex transition metal borides such as Mo 2 NiB 2 , Mo 2 FeB 2 etc. [1] seem most promising candidates for the above role. To date, such materials are fabricated by either high-temperature sintering followed by HIP processing or by SPS method.
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