Short-Term Oxidation of HfB2-SiC Based UHTC in Supersonic Flow of Carbon Dioxide Plasma-Reference-Cited by-同舟云学术

Short-Term Oxidation of HfB2-SiC Based UHTC in Supersonic Flow of Carbon Dioxide Plasma

Published:2024-04-19 Issue:2 Volume:7 Page:300-315
ISSN:2571-6182
Container-title:Plasma
language:en
Short-container-title:Plasma

Author:

Chaplygin Aleksey V.¹^ORCID,Simonenko Elizaveta P.²^ORCID,Kotov Mikhail A.¹^ORCID,Sakharov Vladimir I.³^ORCID,Lukomskii Ilya V.¹,Galkin Semen S.¹,Kolesnikov Anatoly F.¹,Lysenkov Anton S.⁴^ORCID,Nagornov Ilya A.²^ORCID,Mokrushin Artem S.²^ORCID,Simonenko Nikolay P.²^ORCID,Kuznetsov Nikolay T.²,Yakimov Mikhail Y.¹^ORCID,Shemyakin Andrey N.¹,Solovyov Nikolay G.¹

Affiliation:

1. Ishlinsky Institute for Problems in Mechanics of the Russian Academy of Sciences, Vernadskogo pr., 101-1, 119526 Moscow, Russia

2. Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Leninsky pr., 31, 119991 Moscow, Russia

3. Institute of Mechanics, Lomonosov Moscow State University, Michurinsky pr., 1, 119192 Moscow, Russia

4. A. A. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninsky pr., 49, 119334 Moscow, Russia

Abstract

The short-term (5 min) exposure to the supersonic flow of carbon dioxide plasma on ultrahigh-temperature ceramics of HfB2-30vol.%SiC composition has been studied. It was shown that, when established on the surface at a temperature of 1615–1655 °C, the beginning of the formation of an oxidized layer takes place. Raman spectroscopy and scanning electron microscopy studies showed that the formation of a porous SiC-depleted region is not possible under the HfO2-SiO2 surface oxide layer. Numerical modeling based on the Navier–Stokes equations and experimental probe measurements of the test conditions were performed. The desirability of continuing systematic studies on the behavior of ultrahigh-temperature ZrB2/HfB2-SiC ceramics, including those doped with various components under the influence of high-enthalpy gas flows, was noted.

Funder

Russian Science Foundation

Publisher

MDPI AG

Link

https://www.mdpi.com/2571-6182/7/2/17/pdf

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