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Fatigue strength of certain materials used in airframe construction

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Mechanics of Composite Materials Aims and scope

Conclusions

The completed tests show that the fatigue strength of carbon-plastic is 2.5 times greater than that of glass-plastic. Consequently, it is best to use carbon-plastic with ED-20 epoxy resin filled with 4–5μm glass microspheres for adhesive purposes in load-bearing components. This makes it possible to significantly reduce the weight of airframes and improve their service properties. It was established that, for the composite materials investigated, stiffness is lost during cyclic loading mainly as a result of damage accumulation; the loss in stiffness may serve as a criterion for evaluating the progress of fatigue fracture.

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Authors and Affiliations

  1. A. Snechkus Kaunas Polytechnic Institute, USSR

    I. P. Bareishis & S. A. Darguzhis

Authors
  1. I. P. Bareishis
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  2. S. A. Darguzhis
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Translated from Mekhanika Kompozitnykh Materialov, No. 3, pp. 451–455, May–June, 1980.

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Bareishis, I.P., Darguzhis, S.A. Fatigue strength of certain materials used in airframe construction. Mech Compos Mater 16, 320–324 (1980). https://doi.org/10.1007/BF00608334

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  • DOI: https://doi.org/10.1007/BF00608334

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