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Nature of fractures in pyrocerams

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Strength of Materials Aims and scope

Conclusions

  1. 1.

    The completely rough fracture surface of pyroceram 4 indicates that the surface and the bulk of this material have equal strength. This is confirmed by the equal defectiveness of the surface and of the fracture of pyroceram 4.

  2. 2.

    The fracture surface of pyrocerams 1–3 has several zones differing in roughness and defectiveness; this is associated with the process of propagation of the fracture.

  3. 3.

    The dependence of bending strength on the area of the mirror zone is fairly well described by the expression σ 4¯S = Cstr , and in that case the variation coefficient of CS does not exceed 16–20%.

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Literature cited

  1. V. N. Pukh, Strength and Fracture of Glass [in Russian], Nauka, Leningrad (1973).

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  2. S. S. Solntsev and E. M. Morozov, Failure of Glass [in Russian], Mashinostroenie, Moscow (1978).

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  3. G. M. Bartenev, Structure and Mechanical Properties of Inorganic Glasses [ui Russian], Stroiizdat, Moscow (1966).

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  4. K. L. Phillips, “Fracture of glass,” in: Fracture [Russian translation], Vol. 7, Mir, Moscow (1976), pp. 23–47.

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Authors and Affiliations

  1. “Avtosteklo” Plant, Konstantinovka

    A. M. Raikhel', V. N. Likhtenshtein, O. A. Nepomnyashchii & L. G. Ivchenko

Authors
  1. A. M. Raikhel'
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  2. V. N. Likhtenshtein
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  3. O. A. Nepomnyashchii
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  4. L. G. Ivchenko
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Additional information

Translated from Problemy Prochnosti, No. 3, pp. 85–87, March, 1980.

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Raikhel', A.M., Likhtenshtein, V.N., Nepomnyashchii, O.A. et al. Nature of fractures in pyrocerams. Strength Mater 12, 353–356 (1980). https://doi.org/10.1007/BF01129089

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  • DOI: https://doi.org/10.1007/BF01129089

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