Fatigue Crack Indication by Lamb Wave Non-Descructive Testing

Proceedings of the Third World Congress “Aviation in the XXI-ST Century” 2008
Sergejs Kuzņecovs, Ēriks Ozoliņš, Ilmārs Ozoliņš, Igors Pavelko, Vitālijs Pavelko

Investigation of ultrasonic Lamb wave interaction with a fatigue crack has been executed on flat samples of 1ii thickness aluminum alloy 2024-O3. Quite definitely it is possible to conclude, that the given technology of NDT over use of ultrasonic waves is quite capable to provide high stability and necessary accuracy at the continuous integrated SHM of thin-walled aluminum components of aircraft. It is shown also the accuracy of damage predicting is one of the most significant parameter of SHM efficiency

Atslēgas vārdi
ultrasonic Lamb wave, fatigue crack, peak of amplitude, maximum of the RMS(t), global maximum of the smoothed function S(t), standard deviation of the crack length

Kuzņecovs, S., Ozoliņš, Ē., Ozoliņš, I., Pavelko, I., Pavelko, V. Fatigue Crack Indication by Lamb Wave Non-Descructive Testing. No: Proceedings of the Third World Congress “Aviation in the XXI-ST Century”, Ukraina, Kiev, 22.-24. septembris, 2008. Kiev: National Aviation University, 2008, 1434.-1440.lpp.

Publikācijas valoda
English (en)