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Plasma Spraying and Characterization of Chromium Carbide-Nickel Chromium Coatings
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SYSNO ASEP 0468208 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve SCOPUS Title Plasma Spraying and Characterization of Chromium Carbide-Nickel Chromium Coatings Author(s) Ctibor, Pavel (UFP-V) RID, ORCID
Prantnerová, M. (CZ)Article number PCCC-2016-09-16-339 Source Title Progress in Color, Colorants and Coatings - ISSN 2008-2134
Roč. 9, č. 4 (2016), s. 281-290Number of pages 10 s. Publication form Print - P Language eng - English Country IR - Iran Keywords Plasma spraying ; Chromium carbide ; Slurry abrasion ; Dry rubber wheel test ; Friction ; Microhardness Subject RIV JH - Ceramics, Fire-Resistant Materials and Glass OECD category Ceramics Institutional support UFP-V - RVO:61389021 EID SCOPUS 85016722451 Annotation Chromium carbide – nickel chromium powder (Cr3C2-25wt%NiCr) was plasma sprayed by a water-stabilized system WSP. A series of experiments with variable feeding distance was carried out. Basic characterization of coatings was done by XRD, SEM and light microscopy plus image analysis. Microhardness was measured on polished cross sections. The main focus of investigation was on resistances against wear in dry as well as wet conditions. The appropriate tests were performed with set-ups based on ASTM G65 and G75, respectively. The influence of spray parameters on coating wear performance was observed. The results of mechanical tests are discussed in connection with changes in the character of the coating’s microstructure. The results show that for obtaining the best possible Cr3C2-25NiCr coating with WSP process, from the wear resistance point of view, medium feeding distance is desired and its decrease or increase leads to certain worsening of studied properties. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2017
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