Crack propagation in ceramic composites with layered granular structure
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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.
KeywordsPolymer Structure Organization Crack Extension Ceramic Composite Granular Structure
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- 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.Google Scholar
- 2.A. S. Vlasov, D. A. Ivanov and G. A. Fomina, Refractories (USSR) 8 (1985) 10.Google Scholar
- 3.A. G. Evans, in “Fracture Mechanics of Ceramics”, Vol. 1, edited by R. C. Bradt, D. P. H. Hasselman and F. F. Lange (Plenum, New York, London, 1974) p. 17.Google Scholar