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- W2022095768 abstract "Abstract Compressive creep tests of SiC whisker-reinforced Al 2 O 3 have been performed in air at temperatures ranging from 1200°C to 1350°C. A creep exponent, n, of ∼ 1·5 was obtained, and the activation energy was calculated to be 370±50 kJ/mol. The results are compared to that for creep of a non-reinforced alumina material of similar grain size as well as to the predictions of theoretical models for creep. The microstructure of deformed material has been investigated and related to the creep results. The observations suggest that grain boundary sliding is the dominant creep mechanism. This process was slowed down in the whisker-reinforced Al 2 O 3 material by the more extensive shape changes required for the Al 2 O 3 grains in order to accommodate grain boundary sliding in the presence of the rigid SiC whiskers. This also resulted in significant cavitation." @default.
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- W2022095768 date "1992-01-01" @default.
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- W2022095768 title "Compressive creep of SiC whisker-reinforced alumina" @default.
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- W2022095768 doi "https://doi.org/10.1016/0955-2219(92)90087-t" @default.
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