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Title: Fatigue damage and sensor development for aircraft structural health monitoring
Authors: Ignatovich, S.R.
Menou, A.
Karuskevich, M.V.
Maruschak, P.O.
Keywords: Fracture
Fatigue damage
Strain localization
Cyclic loading
Deformation relief
Issue Date: Jun-2013
Publisher: Elsevier Science Publishing Company, Inc.
Abstract: It was shown by tests conducted at the National Aviation University (Kiev, Ukraine) that fatigue damage of metal structures may be estimated by sensors with the surface relief pattern to indicate the accumulated fatigue damage. The nature of the deformation relief has been investigated by the light, scan and transmission microscopy, as well as by a new nano-interferometer, developed at the National Aviation University. Fractal analysis of the surface patterns based on box-counting method has proved the efficiency of fractal geometry application for additional quantitative description of such surface structures. The evolution of deformation relief parameters on the sensors surface is determined by the process of the sensor and construction fatigue damage accumulation.
Description: Theoretical and Applied Fracture Mechanics, Volume 65
ISSN: 0167-8442
Appears in Collections:Статті в наукових виданнях кафедри конструкції літальних апаратів

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