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Lifetime study of unidirectional Nicalon - polysiloxane composites at elevated temperatures

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    0207574 - USMH-B 20000059 RIV PL eng C - Konferenční příspěvek (zahraniční konf.)
    Glogar, Petr - Hvizdoš, P. - Kolář, František - Rudnayová, E.
    Lifetime study of unidirectional Nicalon - polysiloxane composites at elevated temperatures.
    Brittle Matrix Composites 6. Warszawa: ZTUREK RSI and Woodhead Publishing, 2000 - (Brandt, A.; Li, V.; Marshall, I.), s. 557-565. ISBN 1-85573-551-2.
    [Brittle Matrix Composites 6. Warszawa (PL), 09.10.2000-11.10.2000]
    Grant CEP: GA ČR GA104/00/1140; GA ČR GA106/99/0096
    Grant ostatní: GA SR(SK) 2/5162/98
    Výzkumný záměr: CEZ:AV0Z3046908
    Kód oboru RIV: JH - Keramika, žáruvzdorné materiály a skla

    Nicalon - reinforced composites with ex-polymethylphenylsiloxane matrix were made by pyrolysis at 700 - 1000řC. The bending strength and work to fracture slightly decreased with increasing pyrolysis temperature 700 - 900řC but dropped for samples pyrolysed at 1000 C. The cumulative damage of almost all samples took place in the stress interval of 100 - 150 MPa. The lifetime tests showed a slight tendency of decreasing the stress resistance with increasing test temperature from 500řC to 600řC.
    Trvalý link: http://hdl.handle.net/11104/0103141

     
     

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