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Relationship between fracture resistance and critical temperature difference in ceramic materials

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Refractories and Industrial Ceramics Aims and scope

Abstract

The resistance of ceramics to thermal shock can be characterized using either a parameter of their resistance to fracture R or the critical temperature difference ΔT c=ΔT c(Bi). It is demonstrated that a correlation exists between the values ofR and ΔT c. Experiments were performed on alumina-based ceramic materials (99.8 and 86% Al2O3), glass-bonded mullite, and a borosilicate glass. Three equations were used to describe the dependence of the critical temperature difference on the Biot number. A relationship between the critical temperature difference and the parameterR was considered and the best correlation between the values ofR and ΔT c was established using statistical analysis techniques. It is shown that the correlation can be described satisfactorily in terms of a linear dependence.

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Authors and Affiliations

  1. Faculty of Technology and Metallurgy, Belgrade University, Belgrade, Yugoslavia

    T. D. Volkov-Husović, R. M. Jančić & Z. V. Popović

Authors
  1. T. D. Volkov-Husović
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  2. R. M. Jančić
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  3. Z. V. Popović
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Additional information

Translated from Ogneupory i Tekhnicheskaya Keramika, No. 2, pp. 22–24, February, 1997.

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Volkov-Husović, T.D., Jančić, R.M. & Popović, Z.V. Relationship between fracture resistance and critical temperature difference in ceramic materials. Refractories and Industrial Ceramics 38, 67–69 (1997). https://doi.org/10.1007/BF02767836

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  • DOI: https://doi.org/10.1007/BF02767836

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