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Journal of KONES

Tytuł artykułu

X-ray stress measurements in the institute of aviation possibilities and examples

Autorzy Gadalińska, E.  Malicki, M. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN From the point of view of the airplane construction, its fatigue lifetime and exploitation process, the stress states and levels are of crucial importance. The most appropriate experimental methods to determine stress values are diffraction methods with different radiation type employed. These methods allow the determination of the elastic lattice deformation and distortion (effectively the stress state) from the displacement and broadening of the diffraction peak. Diffraction methods are widely known as the experimental methods for determining not only the stress values but also the elastic properties of polycrystalline materials (also of all alloys types used in the aerospace industry). The advantages of diffraction experiments result from their non-destructive character and the possibility to obtain absolute values of stresses in different phases of each type of crystal material (the measurements are performed selectively only for crystallites contributing to the measured diffraction peak, i.e. for the grains having lattice orientations for which the Bragg condition is fulfilled). In the frame of this work, the laboratory possibilities of the Institute of Aviation in this area are presented as well as the exemplary results of stress measurements performed there.
Słowa kluczowe
EN X-ray diffraction   residual stress measurements   fatigue  
Wydawca Institute of Aviation
Czasopismo Journal of KONES
Rocznik 2018
Tom Vol. 25, No. 3
Strony 159--166
Opis fizyczny Bibliogr. 6 poz., rys.
autor Gadalińska, E.
  • Institute of Aviation, Materials and Structures Research Centre Krakowska Av. 110/114, 02-256 Warsaw, Poland tel.: +48 22 1883832, +48 22 8460011 ext. 319, fax: +48 228484432 ,
autor Malicki, M.
  • Institute of Aviation, Materials and Structures Research Centre Krakowska Av. 110/114, 02-256 Warsaw, Poland tel.: +48 22 1883832, +48 22 8460011 ext. 319, fax: +48 228484432 ,
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[3] Gadalińska, E., Micromechanical properties and stresses in two-phase polycrystalline materials studied using diffraction and self-consistent model, Doctoral Thesis, AGH – University of Science and Technology, Kraków 2018.
[4] Iadicola, M. A., Gnäupel-Herold, T. H., Effective X-ray elastic constant measurement for in situ stress measurement of biaxially strained AA5754-O, Materials Science and Engineering: A, Vol. 545, pp. 168-175, 2012.
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[6] Unterstell, A., 1.4922/1.4923 stainless steel datasheet, 70/, access: 2018-07-04.
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-286c77bd-1d0c-4136-8902-c2cf0a3c3128
DOI 10.5604/01.3001.0012.4327