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Corrosion of ceramic silicon carbide in hydrofluoric acid

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F21%3A00544788" target="_blank" >RIV/61389021:_____/21:00544788 - isvavai.cz</a>

  • Alternative codes found

    RIV/60461373:22310/21:43923333 RIV/68407700:21610/21:00350919

  • Result on the web

    <a href="https://www.irsm.cas.cz/materialy/cs_content/2021_doi/Brozek_CS_2021_0015.pdf" target="_blank" >https://www.irsm.cas.cz/materialy/cs_content/2021_doi/Brozek_CS_2021_0015.pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.13168/cs.2021.0015" target="_blank" >10.13168/cs.2021.0015</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Corrosion of ceramic silicon carbide in hydrofluoric acid

  • Original language description

    Silicon carbide usable in mechanical or electrical engineering is produced in various purity grades and exhibits a large number of crystal structure variants. As for use in the chemical field, it is commonly stated that it is highly resistant in acid media but not suitable for use in alkaline media. This paper discusses the resistance of compact silicon carbide to hydrofluoric acid. The compact silicon carbide has been prepared by sintering using the SSiC method with or without binders based on scandium oxide Sc2O3 and calcium fluoride CaF2. The purest silicon carbide sample of cubic 3C structure sintered without a binder was almost insoluble in hydrofluoric acid. It has been shown, however, that pure silicon carbide is perfectly insoluble in hydrofluoric acid irrespective of the structure variants detected in the samples (3C, 4H, 6H, 15R). The corrosion stability of the compact ceramics is affected by the residual SiO2 content (together with other impurities) in imperfect SiC preparations, and it is influenced by the choice and chemical properties of the chosen ceramic binder as well.

  • 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

    <a href="/en/project/GC17-10246J" target="_blank" >GC17-10246J: Decomposition of perfluorinated compounds and fluorinated ozone depleting substances in thermal plasma jets</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Ceramics - Silikáty

  • ISSN

    0862-5468

  • e-ISSN

    1804-5847

  • Volume of the periodical

    65

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    12

  • Pages from-to

    158-169

  • UT code for WoS article

    000681448700007

  • EID of the result in the Scopus database

    2-s2.0-85111657999