Experiments described in report indicate properties of silicon carbide/silicon nitride fibers change significantly with modifications of monomeric precursors. Monomers polymerized by heating to temperatures above 500 degree C. Fibers drawn from resin melt under stream of dry nitrogen, cured in environmental chamber at 100 degree C and 95 percent relative humidity until unmeltable, then placed under tension and pyrolyzed at 1,200 to 1,500 degree C to produce inorganic silicon carbide/silicon nitride fibers. Allows possibility of creating improved silicon carbide/silicon nitride fibers, replacing graphite fibers in composite materials requiring high electrical resistance and thermal stability.


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    Titel :

    Improving Silicon Carbide/Silicon Nitride Fibers


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1989-05-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :




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