Verification of analytical models of the S-N curve within limited fatigue life

• Autorzy: Strzelecki P. , Sempruch J.

Identyfikatory

DOI

10.15632/jtam-pl.54.1.63

• Języki publikacji: EN

Abstrakty

EN

This paper presents analytical methods for determination of the curve for a high-cycle fatigue. It has been found based on qualitative and quantitative verification that the error introduced by these methods can be as large as 3-fold length of the experimental life. In addition, the wrong result can lay on either the safe or the unsafe side with equal probability. Therefore, an analytical-and-experimental (hybrid) method has been proposed. Verification of computed characteristics vs. experimental data demonstrated that the “proprietary” proposal reduced the error. In addition, an approximate error depending on the number of experiments has been determined based on the computations.

Słowa kluczowe

EN

fatigue design; S-N curve; high-cycle fatigue; accelerated method

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2016
• Tom: Vol. 54 nr 1
• Strony: 63--73
• Opis fizyczny: Bibliogr. 14 poz., rys., tab.

Twórcy

autor

Strzelecki P.

• University of Science and Technology, Faculty of Mechanical Engineering, Bydgoszcz, Poland

autor

Sempruch J.

• University of Science and Technology, Faculty of Mechanical Engineering, Bydgoszcz, Poland

Bibliografia

• 1. Boyer E., 2003, Atlas of Fatigue Curves, Boyer E. (edit.), 5-th ed., American Society for Metals, Ohio
• 2. Jakubiec W., Malinowski J., 1996, Metrology of Geometrical Dimensions (in Polish), 2-nd ed., Warszawa WNT
• 3. Kocak M., Webster S., Janosch J.J., Ainsworth R.A., Koers R. (edit.), 2006, FITNET Fitness-for-Service PROCEDURE – FINAL DRAFT MK7, Vol. I: FITNET FFS Procedure, European Fitness-for-Service Thematic Network – FITNET
• 4. Lee Y.-L., Pan J., Hathaway R.B., Barkey M.E., 2005, Fatigue Testing and Analysis, University of Alabama, Elsevier
• 5. Ligaj B., Szala G., 2010, Experimental verification of two-parametic models of fatigue characteristics by using the tests of S55J0 steel as an example, Polish Maritime Research, 17, 1, 39-50
• 6. Park J.H., Song J.H., 1995, Detailed evaluation of methods for estimation of fatigue properties, International Journal of Fatigue, 17, 5, 365-373
• 7. Robak G., Szymaniec M., Łagoda T., 2012, The fictitious radius as a tool for fatigue life estimation of notched elements, Material Science Forum, 726, 27-32,
• 8. Schijve J., 2009, Fatigue of Structures and Materials, 2-nd ed., Springer
• 9. Sempruch J., Strzelecki P., 2011, Error of fatigue life determinated according to the FITNET method, Engineering Mechanics, 531-534
• 10. Skibicki D., Sempruch J., Pejkowski L., 2012, Steel X2CrNiMo17-12-2 testing for uniaxial, proportional and non-proportional loads as delivered and in the annealed condition, Material Science Forum, 726, 171-180
• 11. Stephens R.I., Fatemi A., Stephens R.R., Fuchs H.O., 2001, Metal Fatigue in Engineering, 2-nd ed., New York Wiley
• 12. Strzelecki P., Sempruch J., 2012, Experimental verification of the analytical method for estimated S-N curve in limited fatigue life, Material Science Forum, 726, 11-16
• 13. Strzelecki P., Sempruch J., 2013, Experimental verification of the analytical method for determining the S-N curve for alloy steel, Key Engineering Materials, 598, 219-224
• 14. Tomaszewski T., Sempruch J., Piątkowski T., 2014, Verification of selected models of size effect based on high-cycle fatigue testing on mini specimens made of EN AW-6063 aluminium alloy, Journal of Theoretical and Applied Mechanics, 52, 2, 883-894

Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniajacą naukę.