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Suspension plasma spraying of zirconia coatings using different plasma torches

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F16%3A00472968" target="_blank" >RIV/61389021:_____/16:00472968 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Suspension plasma spraying of zirconia coatings using different plasma torches

  • Original language description

    The aim of the present work was to test the commercially available plasma torches for a Suspension Plasma Spraying in view of potential application of SPS technology to the industry i.e. for Thermal Barrier Coatings or Solid Oxide Fuel Cells production. Four different set-ups equipped with plasma torches namely: (i) SG-100, (ii) Triplex, (iii) Axial III and (iv) h-WSP were used. The spray process parameters were optimized for each torch separately. The zirconia coatings were produced using three different precursors based on: (i) YSZ – yttria partially-stabilized zirconia, (ii) Tosoh-YSZ – yttria fully-stabilized zirconia and (iii) YCeSZ – both yttria and ceria stabilized zirconia powders. Moreover three different concentrations of suspensions were tested for each plasma torch in order to observe their influence on the coating morphology and plasma spray process efficiency. The coatings’ microstructure was observed using light microscopy, scanning electron microscopy (SEM) as well as electron backscatter diffraction (EBSD). Afterwards the phase composition of coatings was analyzed using X-ray diffraction method. The studies showed that the spray process conditions highly influence coatings microstructure and coatings build-up mechanism.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

  • OECD FORD branch

    20506 - Coating and films

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů