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Fracture of composite elements with defects in compression

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Mechanics of Composite Materials Aims and scope

Conclusions

  1. 1.

    We obtained an expression to determine the stress intensity factor of reinforced laminated plastics with a hole and cracks reaching the contour of this hole when the plastics are subjected to axial compression.

  2. 2.

    It was shown that it is possible to use composite specimens with a cross-shaped hole to determine the limiting stress intensity factor in axial compression.

  3. 3.

    It was established that hybridization of a carbon-fiber-reinforced plastic increases the limiting stress intensity factor in axial compression and slows the propagation of a crack.

  4. 4.

    An expression was obtained to determine the stress intensity factor in the lateral compression of a transversely isotropic body with an ellipsoidal cavity and a crack which reaches this cavity.

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Literature cited

  1. S. V. Serensen and G. P. Zaitsev, Load-Carrying Capacity of Thin-Walled Structures Made of Reinforced Plastics with Defects [in Russian], Kiev (1982).

  2. G. N. Savin, Stress Concentration Around Holes [in Russian], Kiev (1968).

  3. V. Z. Parton and E. M. Morozov, Mechanics of Elastoplastic Fracture [in Russian], Moscow (1974).

  4. V. T. Chen, “Axisymmetric stress field around spheroidal inclusions and cavities in a transversely isotropic material,” Prikl. Mekh.,36, No.1, 160–164 (1969).

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  5. A. I. Lur'e, Theory of Elasticity [in Russian], Moscow (1970).

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Authors and Affiliations

  1. K. E. Tsiolkovskii Moscow Institute of Aeronautical Engineering, USSR

    G. P. Zaitsev

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  1. G. P. Zaitsev
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Translated from Mekhanika Kompozitnykh Materialov, No. 2, pp. 248–255, March–April, 1990.

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Zaitsev, G.P. Fracture of composite elements with defects in compression. Mech Compos Mater 26, 198–205 (1990). https://doi.org/10.1007/BF00612319

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  • DOI: https://doi.org/10.1007/BF00612319

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