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Evaluation of the Thermal Resistance of Structural Ceramics in Testing Notched Prismatic Samples

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Abstract

The considered approach to determining thermal resistance in structural ceramics involves thermal cycling of samples with a special notch. The proposed thermal resistance characteristics include the loss of crack resistance after a thermal shock, the insensitivity of the material structure to defects formed at the notch apex as the result of a thermal shock, and the degree of defect accumulation at the notch apex. The testing results of ceramics made of Al2O3, ZrO2, partly stabilized Y2O3 (molar part 3%), and cermet ZrO2 – Y2O3 (molar part 3%) with metallic chromium additive (50 vol.%) are indicated.

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Authors and Affiliations

  1. K. É. Tsiolkovskii Technical University (MATI),, Moscow,, Russia.

    D. A. Ivanov, A. I. Sitnikov & G. E. Val'yano

  2. Institute of High Temperatures of the Russian Academy of Sciences,, Moscow,, Russia.

    D. A. Ivanov, A. I. Sitnikov & G. E. Val'yano

Authors
  1. D. A. Ivanov
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  2. A. I. Sitnikov
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  3. G. E. Val'yano
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Ivanov, D.A., Sitnikov, A.I. & Val'yano, G.E. Evaluation of the Thermal Resistance of Structural Ceramics in Testing Notched Prismatic Samples. Glass and Ceramics 58, 169–173 (2001). https://doi.org/10.1023/A:1012318426544

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  • DOI: https://doi.org/10.1023/A:1012318426544

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