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2006 | OriginalPaper | Chapter

Fatigue Crack Propagation in 2XXX Aluminium Alloys at 223K

Authors : C. Gasqueres, C. Sarrazin-Baudoux, D. Dumont, J. Petit

Published in: Fracture of Nano and Engineering Materials and Structures

Publisher: Springer Netherlands

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Aluminum alloys are widely used for constitutive parts of aircrafts and are consequently confronted with a wide range of temperature depending on altitude: from 300K (ambient temperature) on the ground down to 223K during a fly. Fatigue properties and particularly fatigue crack growth resistance at low temperature have been poorly studied. The literature provides results in cryogenic condition (77K) showing improved fatigue strength in Al-Li alloys [

]. This paper deals with a study of the fatigue crack propagation behavior of two high strength 2xxx Aluminum alloys elaborated in naturally-aged and peak-aged conditions.

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