Oxidation of titanium carbide-graphite hetero-modulus ceramics with low carbon content. II. Physico-chemical interpretation of the ridge effect
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| Заглавие |
Oxidation of titanium carbide-graphite hetero-modulus ceramics with low carbon content. II. Physico-chemical interpretation of the ridge effect
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| Автор |
Shabalin, I. L.
Roach, D. L. Shabalin, L. I. |
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| Тематика |
CARBIDES
CARBON CHEMICAL PROPERTIES COMPOSITES HETERO-MODULUS CERAMICS TIC BUILDING MATERIALS CARBON CERAMIC MATERIALS GRAPHITE MECHANISMS OXYGEN PROTECTIVE COATINGS TITANIUM TITANIUM CARBIDE TITANIUM COMPOUNDS X RAY ANALYSIS X RAY DIFFRACTION ANALYSIS CARBIDES CHEMICAL PROPERTIES COMPOSITES HETERO-MODULUS CERAMICS TIC CHEMICAL OXYGEN DEMAND |
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| Описание |
Hetero-modulus ceramics (HMC) present the combination of a ceramic matrix with the inclusions of a dispersed phase with considerably lower Young's modulus, resulting in a material with significantly improved properties. An interpretation of the so-called "ridge effect" observed during the isobaric-isothermal oxidation of 93 vol% TiC-7 vol% C (graphite) HMC at temperatures of 400-1000 °C and oxygen pressures of 0.13-65 kPa is given. Established in Part I of this study, the meanings of a ridge temperature and ridge oxygen pressure, which are served as boundaries between prevailing oxidation mechanisms in phenomenological kinetics model, are considered on the basis of X-ray diffraction (XRD) and microscopy analyses. The oxidation mechanisms, essentially different within the studied ranges of temperatures and oxygen pressures are identified according to the developed general model. These results can be used for the preparation of special protective coatings on the surface of refractory carbide-carbon HMC parts applied in severe environments, e.g. chemically active, high-enthalpy gaseous flows. © 2008 Elsevier Ltd. All rights reserved.
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| Дата |
2019-07-17T10:00:19Z
2019-07-17T10:00:19Z 2008 |
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| Тип |
Article
Journal article (info:eu-repo/semantics/article) Published version (info:eu-repo/semantics/publishedVersion) |
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| Идентификатор |
0955-2219
https://www.scopus.com/record/display.uri?origin=resultslist&eid=2-s2.0-51749102659 https://elar.rsvpu.ru/handle/123456789/28148 10.1016/j.jeurceramsoc.2008.04.036 51749102659 2-s2.0-51749102659 Institute for Materials Research, The University of Salford, Greater Manchester M5 4WT, United Kingdom Russian State Professional and Pedagogical University, Yekaterinburg, 620012, Russian Federation Scopus Shabalin, I.L., Institute for Materials Research, The University of Salford, Greater Manchester M5 4WT, United Kingdom Roach, D.L., Institute for Materials Research, The University of Salford, Greater Manchester M5 4WT, United Kingdom Shabalin, L.I., Russian State Professional and Pedagogical University, Yekaterinburg, 620012, Russian Federation WOS:000260276300022 000260276300022 |
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| Язык |
en
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| Права |
Restricted accedd (info:eu-repo/semantics/restrictedAccess)
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| Формат |
text/html
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| Охват |
RSVPU
SCOPUS |
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| Издатель |
Elsevier BV
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| Источник |
Journal of the European Ceramic Society
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