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        Formation of silicon carbide whiskers and their microstructure

        Author
        Chrysanthou, A.
        Grieveson, P.
        Jha, A.
        Attention
        2299/10488
        Abstract
        Thermodynamic and kinetic conditions for the formation of SiC whiskers are established. The mechanism of their nucleation and growth are studied and, on this basis, the magnitude of the thermally activated barrier is determined from the rate of reduction data. The microstructures of whiskers are analysed and the role of interfacial tension between the nuclei and impurities, and the metallic iron catalyst is studied in relation to the formation of SiC whiskers. A possible reason for polytypism in SiC whiskers is also proposed.
        Publication date
        1991-01-01
        Published in
        Journal of Materials Science
        Published version
        https://doi.org/10.1007/BF00557132
        Other links
        http://hdl.handle.net/2299/10488
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