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Plasma sprayed TiO2: The influence of power of an electric supply on particle parameters in the flight and character of sprayed coating
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SYSNO ASEP 0347442 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Plasma sprayed TiO2: The influence of power of an electric supply on particle parameters in the flight and character of sprayed coating Author(s) Ctibor, Pavel (UFP-V) RID, ORCID
Hrabovský, Milan (UFP-V) RIDSource Title Journal of the European Ceramic Society. - : Elsevier - ISSN 0955-2219
Roč. 30, č. 15 (2010), s. 3131-3136Number of pages 6 s. Publication form web - web Language eng - English Country GB - United Kingdom Keywords Plasma spraying ; DC plasma torch ; Power supply ; TiO2 ; Wear testing ; Bandgap Subject RIV JH - Ceramics, Fire-Resistant Materials and Glass R&D Projects IAAX00430803 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z20430508 - UFP-V (2005-2011) UT WOS 000282070200017 DOI 10.1016/j.jeurceramsoc.2010.05.029 Annotation The influence of input power on sprayed powder and final coating was quantified for a water-stabilized plasma spray torch (WSP®) and ceramic coating formed from titanium dioxide (TiO2). All other spray setup parameters were secured during the experiment with electric supply power as the only variable factor. In-flight particles were characterized by a Doppler particle velocimetry, the microstructure of the coatings was observed by microscopic techniques with computer image analysis, and phase composition was studied by X-ray diffraction. Various mechanical properties were measured – microhardness, surface roughness, and wear resistance in a slurry. Also other particular physical characteristics of the coatings – reflectivity and bandgap energy – were observed.The higher the power the higher the coating quality will be: both its microstructure and mechanical performance. This substantial difference has the same trend for both power supplies utilized for the testing. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2011
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