W-TiN-SiC materials for high temperature application

L.R. Wolff

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

    Abstract

    A compos ite W-TiN-SiC material, as well as the technology for the manufacture of this material, are being developed at the Centre for Technical Ceramics in co-operation with partners in Italy and the Netherlands. The trilayer material will serve as a multifunctional "hot shell" in a combustion heated Thermionic Energy Converter. This device will operate at 1400°C, The composite material simultaneously serves an a protective confinement of the converter, as an emitter electrode and as an electrical lead. The multitude of requirements induced by these three functions of the hot shell are discussed. A brief outline of the design of the thermionic energy converter is given. The way in which the W-TiN-SiC materIal is being produced as well as some preliminary results on the evaluation of this material are presented. The properties determined include thermal fatigue and thermoshock resistance, Young ' s modulus and thermal conductivity. Although the evaluation is still in progress, the results are promising.
    Original languageEnglish
    Title of host publicationSurfaces and Interfaces of Ceramic Materials
    EditorsL.-C. Dufour, c. Monty
    Place of PublicationDordrecht
    PublisherKluwer Academic Publishers
    Pages779-787
    ISBN (Print)0-7923-0447-0
    Publication statusPublished - 1989
    EventNATO Advanced Study Institute, CAES-CNRS, - Ile d'Oléron, France
    Duration: 4 Sep 198916 Sep 1989

    Publication series

    NameNATO ASI Series, Series E: Applied Sciences
    Volume173
    ISSN (Print)0168-132X

    Conference

    ConferenceNATO Advanced Study Institute, CAES-CNRS,
    Country/TerritoryFrance
    CityIle d'Oléron
    Period4/09/8916/09/89

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