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The paper presents comparison of two methods for determination of the fatigue damage degree in a material subjected to random loadings with participation of the mean loading and including the irregularity coefficient of the loading. The authors estimated effectiveness of the method where the stress history was transformed considering the global mean value of the load history and the method for which the stress mean value of the distinguished loading cycles was taken into account. When the irregularity coefficient of loading increases, we can observe significant divergences of the calculated fatigue life of the material related to the model of amplitude transformation because of the loading mean value.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
791--798
Opis fizyczny
Bibliogr. 15 poz., rys., tab.
Twórcy
autor
- Opole University of Technology, Department of Mechanic and Machine Design, Opole, Poland
autor
- Opole University of Technology, Department of Mechanic and Machine Design, Opole, Poland
Bibliografia
- 1. Agerskov H. Nielsen J.A., 1999, Fatigue in steel highway bridges under random loading, Journal of Structural Engineering, 125, 2, 152-162
- 2. Gerber W., 1874, Bestimmung der Zulossigen Spannungen in Eisen Constructionen, Z. Bayer. Arch. Ing. Ver., 6
- 3. Kluger K., Łagoda T., 2007, Fatigue lifetime under uniaxial random loading with different mean values according to some selected models, Materials and Design, 28, 2604-2610
- 4. Lachowicz C., Łagoda T., Macha E., 1995, Trwałość zmęczeniowa elementów maszyn ze stali 10HNAP w warunkach jednoosiowego obciążenia losowego, Problemy Maszyn Roboczych, 5, 5, 139-170
- 5. Łagoda T., Macha E., Niesłony A., 2005a, Fatigue life calculation by means of the cycle counting and spectral methods under multiaxial random loading, Fatigue Fracture Engineering Materials Structures, 28, 409-420
- 6. Łagoda T., Macha E., Pawliczek R., 2001, The influence of the mean stress on fatigue life of 10HNAP steel under random loading, International Journal of Fatigue, 23, 283-291
- 7. Łagoda T., Niesłony A., Ogonowski P., 2005b, Analiza spektralna przebiegu czasowego parametru gęstości energii odkształceń, III Sympozjum Mechaniki Zniszczenia Materiałów i Konstrukcji, Augustów
- 8. Łagoda T., Ogonowski P., Kardas D., Kluger K., 2008, Fatigue life of aluminium alloy 2017(A) under proportional constant amplitude bending with torsion in energy approach, Materials Science, 4, 68-74
- 9. Macha E., Pawliczek R., 2007, Generation of a service loading with the desired probabilisty distribution and autocorrelation for fatigue tests using MATLAB, The Archive of Mechanical Engineering, LIV, 2, 137-145
- 10. Macha E., Pawliczek R., 2010, Application of the Rosenblatt transform for random loading generation with desired correlation coefficient in fatigue tests of materials, 6th International Conference Mechatronic Systems And Materials (MSM2010), Abstracts, Opole University of Technology, Opole (Poland)
- 11. Macha E., Rozumek D., Pawliczek R., 2005, Fatigue crack growth in elastic-plastic materiale under combined bending with torsion, 11th International Conference on Fracture, ICF11, 4, 2670-2675
- 12. Macha E., Słowik J., Pawliczek R., 2009, Energy based characterization of fatigue behaviour of cyclically unstable materials, Diffusion and Defect Data Pt.B: Solid State Phenomena, 147/149, 512-517
- 13. Morrow J., in., 1968, Fatigue Design Handbook, Advances in Engineering, 4, Warrendale (PA): Society of Automotive Engineers, p. 29
- 14. Petrucci G., Zuccarello B., 2004, Fatigue life prediction under wide band random loading, Fatigue Fracture Engineering Materials Structures, 27, 1183-1195
- 15. Shutz D., Klatschke H., Steinhilber H., Heuler P., Schutz W., 1990, Standarized load sequences for car wheel suspension components, CARLOS, Final Report, LBF-Bericht No. FB-191, Darmstadt
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-ffe78d32-5689-4f31-bf2e-eb8413276879