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Theoretical Calculation of the Rate of Crack Propagation and Time to Failure in SiC Single Crystal

  • Yoshizo Inomata

Abstract

Using new proposals regarding the stability condition of cracks in a brittle material and the rate equations for heterogeneous system, numerical calculations are performed on the rate of crack propagation and the time to failure in silicon carbide single crystal, assuming Griffith type atomically sharp crack and linear elasticity in the material.

Keywords

Stress Intensity Factor Brittle Fracture Brittle Material Heterogeneous System Linear Elasticity 
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References

  1. 1.
    Y. Inomata, a paper submitted in this Symposium, entitled “Energy Equilibria and Rate Process in Brittle Fracture”.Google Scholar
  2. 2.
    C.E. Inglis, Trans. Inst. Nav. Archit. 55, 219–241 (1913); Stress in a plate due to the presence of cracks and sharp corners.Google Scholar
  3. 3.
    E. Orowan, Rep. Prog. Phys. 12, 185–232 (1949); Fracture and Strength of Solids.CrossRefGoogle Scholar
  4. 4.
    S.M. Wiederhorn, “Fracture Mechanics of Ceramic, Vol. 2”, Ed. By R.C. Bradt, D.P.H. Hasselman and F.F. Lange, Plenum Press, (1974) p. 613 – 646Google Scholar

Copyright information

© Elsevier Science Publishers Ltd. 1990

Authors and Affiliations

  • Yoshizo Inomata
    • 1
  1. 1.National Institute for Research in Inorganic MaterialsTsukuba-shi, IbarakiJapan

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