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Degradation of materials and fatigue durability of aircraft constructions after long-term operation

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Abstract

We consider a complex of problems of evaluating the residual lifetime of aircraft constructions after long-term operation. Some results of static and fatigue tests of a D16T-type aluminum alloy (in the as-delivered condition as well as after simulated and operating degradation) in air and a corrosive medium (3% NaCl solution) are presented. We have established characteristics that are the most sensitive to the degradation of constructional materials in the course of long-term operation. We also describe a new approach and correction factors for evaluating the fatigue durability of elements of aircraft constructions with regard for the degradation of materials.

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Authors and Affiliations

  1. Karpenko Physicomechanical Institute, Ukrainian Academy of Sciences, Lviv

    O. P. Ostash, I. M. Andreiko & Yu. V. Holovatyuk

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  1. O. P. Ostash
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  2. I. M. Andreiko
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  3. Yu. V. Holovatyuk
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__________

Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 42, No. 4, pp. 5–16, July–August, 2006.

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Ostash, O.P., Andreiko, I.M. & Holovatyuk, Y.V. Degradation of materials and fatigue durability of aircraft constructions after long-term operation. Mater Sci 42, 427–439 (2006). https://doi.org/10.1007/s11003-006-0098-1

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  • DOI: https://doi.org/10.1007/s11003-006-0098-1

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