Investigation of coatings produced by the electrospark machining method of steel 45 with electrodes based on carbides of tungsten and titanium |
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Authors: | S V Nikolenko N A Syui |
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Affiliation: | 1.Institute of Materials Science, Far East Branch,Russian Academy of Sciences,Khabarovsk,Russia |
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Abstract: | The article is devoted to the development and investigation of tungsten-containing and tungstenless electrode materials for electrospark alloying using additives of boron-containing minerals, as well as aluminum-oxide nanopowder. The kinetics of the mass transfer process with the electrospark alloying of coatings was investigated. The phase composition, roughness, and kinetics of high-temperature oxidation of coatings were studied. The anticorrosive properties of obtained coatings were studied in 3% NaCl solution by the method of impedance spectroscopy. An improvement of the barrier properties of TiC–Ni–Mo coatings with increasing datolite concentrate was revealed. |
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