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Mechanical properties of alkoxy-derived cordierite ceramics

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Abstract

Mechanical properties of cordierite ceramics prepared by the controlled hydrolysis and following polycondensation of aluminium, magnesium and silicon alkoxides were investigated in great detail. Flexural strengths ofμ- andα-cordierite ceramics are about 60 and 100 MPa, respectively. The flexural strengths of these ceramics are mainly influenced by cracks arising from thermal mismatch between μ- and α-cordierite precipitated during sintering. High fracture toughness ofα-cordierite ceramics prepared by this method is ascribed to the fine microstructure of the ceramics. The high-temperature flexural strength ofα-cordierite ceramics is little reduced below 1000° C because of high purity of the ceramics.[/p]

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Authors and Affiliations

  1. Department of Mechanical System Engineering, Toyota Technological Institute, Hisakata 2-12-1, Tenpaku-ku, Nagoya-shi, Aichi-ken, 468, Japan

    Hisao Suzuki, Kazuhide Ota & Hajime Saito

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  1. Hisao Suzuki
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  2. Kazuhide Ota
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  3. Hajime Saito
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Suzuki, H., Ota, K. & Saito, H. Mechanical properties of alkoxy-derived cordierite ceramics. J Mater Sci 23, 1534–1538 (1988). https://doi.org/10.1007/BF01115687

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