The Influence of Mean Strain Under Two-Step High-Low Loading on Cumulative Fatigue Damage in St5 Steel

• Autorzy: Gołoś K. , Dębski D.
• Języki publikacji: EN

Abstrakty

EN

In the paper results of a comparison analysis of cumulative fatigue damage in St5 steel under two-step high-low loading including mean strain were presented. The analysis was carried out with the modified energy based damaged parameter including mean strain. The analysis showed that additional mean strain affects the cumulative damage in two-step loading and generally decreases the fatigue life comparing to tests without mean strain. It is shown that during damage cumulation is possible using proposed damage parameter to take into account the effect of mean strain.

Słowa kluczowe

EN

cumulative fatigue damage; mean strain

• Wydawca: Oficyna Wydawnicza Politechniki Warszawskiej
• Czasopismo: Machine Dynamics Research
• Rocznik: 2013
• Tom: Vol. 37, No. 4
• Strony: 35--41
• Opis fizyczny: Bibliogr. 7 poz.

Twórcy

autor

Gołoś K.

• Warsaw University of Technology

autor

Dębski D.

• Warsaw University of Technology

Bibliografia

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• 4. Fatemi A., Yang L. Cumulative fatigue damage and life prediction theories: a survey of the state of the art for homogenous materials, Int. J. Fatigue, Vol.20 (1998), 9-34.
• 5. Kocańada S., Szala J., Podstawy obliczeń zmęczeniowych, PWN, Warszawa, 1997.
• 6. Gołoś K., Ellyin F., A total strain energy density theory for cumulative damage, J. of Pressure Vessel Tech., Transactions of ASME, Vol.110, (1988), 38-41.
• 7. Golos K., Energetistic formulation of fatigue strength criterion. Archiwum Budowy Maszyn, 25(1/2) (1988) 5-16.