Effects of rolling and hot pressing on mechanical properties of boron carbide-based ceramics

    Authors

    N. Orlovskaya; S. Yarmolenko; J. Sankar; J. Kuebler;M. Lugovy

    Comments

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    Abbreviated Journal Title

    J. Mater. Sci.

    Keywords

    X-RAY; B4C; MICROSTRUCTURE; DIFFRACTION; TOUGHNESS; DESIGN; Materials Science, Multidisciplinary

    Abstract

    A study of hot pressed B(4)C-based laminates, after rolling and without rolling, has been performed to elucidate the existence of fracture resistance/crack length anisotropy induced by this processing technique. While the crack lengths/fracture resistance was affected significantly by the presence of the residual stresses in B(4)C/B(4)C-ZrB(2) laminates, no differences in Vickers crack lengths were observed in B(4)C/B(4)C laminates prepared by rolling and hot pressing, as compared to the crack lengths seen in pure B(4)C ceramics prepared by hot pressing without rolling. X-ray diffraction analysis confirmed that no texture has been formed during the rolling and hot pressing of B(4)C ceramics.

    Journal Title

    Journal of Materials Science

    Volume

    43

    Issue/Number

    17

    Publication Date

    1-1-2008

    Document Type

    Article

    Language

    English

    First Page

    5942

    Last Page

    5947

    WOS Identifier

    WOS:000258718000032

    ISSN

    0022-2461

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