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Crack propagation in ceramic composites with layered granular structure

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Abstract

Fracture experiments under conditions of subcritical crack extension were performed with double torsion and single-edge notched bend specimens of different alumina-based ceramic composites having layered granular structure. It is shown that it is possible to increase significantly the work-of-fracture as a result of layered granular structure organization. The pecularities of structure influence on the crack propagation kinetics were investigated, and the possibilities of acceleration and deceleration of subcritical crack growth are reported.

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References

  1. K. T. Faber, A. G. Evans and M. D. Drory, in “Fracture Mechanics of Ceramics,” Vol. 6, edited by R. C. Bradt, D. P. H. Hasselman, A. G. Evans and F. F. Lange (Plenum, New York, London, 1981) p. 77.

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Authors and Affiliations

  1. High Tech Ceramics Scientific Research Centre Academy of Sciences of the USSR, Ozernaya 48, 119361, Moscow, Russia

    S. M. Barinov, D. A. Ivanov & V. Ya. Shevchenko

  2. Moscow Aircraft Technology Institute, Moscow, Russia

    G. A. Fomina

Authors
  1. S. M. Barinov
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  2. D. A. Ivanov
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  3. V. Ya. Shevchenko
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  4. G. A. Fomina
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Barinov, S.M., Ivanov, D.A., Shevchenko, V.Y. et al. Crack propagation in ceramic composites with layered granular structure. J Mater Sci 27, 5558–5560 (1992). https://doi.org/10.1007/BF00541622

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  • DOI: https://doi.org/10.1007/BF00541622

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