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Structure and electrical properties of yttrium oxide sprayed by plasma torches from powders and suspensions

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F22%3A00362786" target="_blank" >RIV/68407700:21230/22:00362786 - isvavai.cz</a>

  • Alternative codes found

    RIV/61389021:_____/22:00555222

  • Result on the web

    <a href="https://doi.org/10.1016/j.ceramint.2021.11.291" target="_blank" >https://doi.org/10.1016/j.ceramint.2021.11.291</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.ceramint.2021.11.291" target="_blank" >10.1016/j.ceramint.2021.11.291</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Structure and electrical properties of yttrium oxide sprayed by plasma torches from powders and suspensions

  • Original language description

    Yttrium oxide was sprayed by a plasma torch using a coarse thermal spray powder, which must be in size range of tens of micrometers to ensure good penetration into the plasma stream. Thick coatings on steel substrates were produced with two sprays systems facilitating gas stabilized plasma (GSP) and hybrid water-argon stabilized plasma (WSP-H) techniques. Additionally, an ultra-fine yttrium oxide powder was sprayed from a suspension. Hybrid water-argon stabilized plasma system was used for this purpose. Markedly thinner compact coatings were produced this way. All three sorts of plasma sprayed deposits were studied by the same methods. Dielectric properties were studied in a broad range of frequencies and temperatures. The microstructure aspects as well as crystallite size were analyzed and discussed in relation to electrical properties. All coatings exhibited stable dielectric parameters versus changing frequency and temperature, comparable with literature values for various samples. Concerning sintered bulks, and especially their thermal stability of capacitance, the plasma sprayed coatings were slightly worse. However due to shape and size variability of the plasma spraying are yttria coatings prospective for technical applications.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Ceramics International

  • ISSN

    0272-8842

  • e-ISSN

    1873-3956

  • Volume of the periodical

    48

  • Issue of the periodical within the volume

    6

  • Country of publishing house

    IT - ITALY

  • Number of pages

    11

  • Pages from-to

    7464-7474

  • UT code for WoS article

    000760311400003

  • EID of the result in the Scopus database

    2-s2.0-85120832833