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2012 | 19 | 4 |
Tytuł artykułu

Comparative analysis of fatigue life calculation methods of C45 steel in conditions of variable amplitude loads in the low- and high-cycle fatigue ranges

Autorzy
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
In the paper [1] assumptions for fatigue life calculations in the low- and high- cycle fatigue ranges of metal alloys, have been formulated. Three calculation methods: that expressed in stresses, strains and a mixed (stress-strain) one, have been there presented. In this paper results of fatigue life calculations of C45 steel performed in line with the above mentioned methods have been described, and their comparative analysis has been made. The calculations have been carried out for two-level and multi-level load programs of the varying parameters: maximum load within a load program and different values of spectrum filling factor. The comparative analysis of the results of fatigue life calculations in compliance with the above mentioned methods makes it possible to assess differences in the results and depenendence of the differences on values of load program parameters
Słowa kluczowe
Wydawca
-
Rocznik
Tom
19
Numer
4
Opis fizyczny
p.23-30,fig.,ref.
Twórcy
autor
  • Faculty of Mechanical Engineering, University of Technology and Life Science, Prof.S.Kaliskiego 7, 85-796 Bydgoszcz, Poland
autor
  • Faculty of Mechanical Engineering, University of Technology and Life Science, Prof.S.Kaliskiego 7, 85-796 Bydgoszcz, Poland
Bibliografia
  • 1. Szala J.: Fatigue life load assumptions for low-cycle and high-cycle fatigue ranges of metal alloys (in Polish), Materials of 24th Symposium on Fatigue and Fracture Mechanics, Bydgoszcz-Pieczyska, 2012.
  • 2. Kocańda S., Szala J.: Backgrounds of fatigue calculations(in Polish), 3rd Edition, Polish Scientific Publishing House (Wydawnictwa Naukowe PWN), Warsaw, 1997.
  • 3. FITNET Fitness-for-Service Procedure – Final Draft MK7, 2006.
  • 4. Neimitz A., Dzioba I., Graba M., Okrajni J.: Assessment of strength, life and operational safety of structural elements containing defects (in Polish). Publishing House of Swietokrzyska Technical University (Wydawnictwo Politechniki Świętokrzyskiej), Kielce, 2008.
  • 5. Szala J., et al.: Hybrid method of fatigue life calculations and its experimental verification on the example of results of fatigue tests of Al-alloys and steels (in Polish). Research project No. 2221/B/T02/2010/39, 2010.
  • 6. Szala G., Ligaj B.: Criteria for assessment of low-cycle and high-cycle fatigue in calculating fatigue life of structural elements (in Polish). Logistyka, 6, 2009.
  • 7. Mroziński S., Szala J.: Problem of cyclic hardening or softening in metals under programmed loading. Scientific Problems of Machines Operation and Maintenance, 4(164), vol. 45, Radom, 2010.
  • 8. Szala J.: Hypotheses of fatigue damage summation (in Polish), Publishing House of Technical Agricultural Academy (Wydawnictwo Uczelniane Akademii Techniczno-Rolniczej), Bydgoszcz, 1998.
  • 9. Ligaj B., Szala G.: Analysis of loads in fatigue life tests and calculations of structural elements on the example of car operational loads (in Polish), Logistyka, 6, 2009.
  • 10. Fricke W., Petershagen H., Paetzold H.: Fatigue Strength of Ship Structures, Part I: Basic Principles. Germanischer Lloyd, Hamburg, 1997, pp. 34-36.
  • 11. Fricke W., Petershagen H., Paetzold H.: Fatigue Strength of Ship Structures, Part II: Examples. Germanischer Lloyd, Hamburg, 1998, pp. 20-21.
  • 12. Polski Rejestr Statków: Fatigue strength analysis of ship’s steel hull ( in Polish ). Publication No. 45/P, Gdańsk, 1998, pp. 35-43.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.agro-09fc2247-c65a-4eb3-8d39-d41b237ecb3a
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