EVALUATION OF METHODS FOR ESTIMATING FATIGUE PROPERTIES APPLIED TO STAINLESS STEELS AND ALUMINUM ALLOYS
Fonseca Junior, Taylor Mac I.; Magnabosco, Rodrigo
http://dx.doi.org/10.4322/tmm.2012.040
Tecnol. Metal. Mater. Min., vol.9, n4, p.284-293, 2012
Abstract
This work evaluate seven estimation methods of fatigue properties applied to stainless steels and aluminum alloys. Experimental strain-life curves are compared to the estimations obtained by each method. After applying seven different estimation methods at 14 material conditions, it was found that fatigue life can be estimated with good accuracy only by the Bäumel-Seeger method for the martensitic stainless steel tempered between 300°C and 500°C. The differences between mechanical behavior during monotonic and cyclic loading are probably the reason for the absence of a reliable method for estimation of fatigue behavior from monotonic properties for a group of materials.
Keywords
Strain-controlled fatigue, Fatigue lige, Stainless steel, Aluminum alloys
Referências
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2 HERTZBERG, R. W.. Cyclic stress and strain fatigue. In: ________. Deformation and fracture mechanics of engineering materials. 4. ed., New York: John Wiley & Sons, 1996. p. 521-78.
3 PARK, J. H.; SONG, J. H. Detailed evaluation of methods for estimation of fatigue properties. International Journal of Fatigue, v. 17, n. 5, p. 365-72, 1995. http://dx.doi.org/10.1016/0142-1123(95)99737-U
4 FONSECA JUNIOR, T. M. I. Métodos de previsão da curva deformação: vida em fadiga para as ligas de alumínio AA6261-T6 e AA6351-T6. 2003. 96 p. Dissertation (Master in Mechanical Engineering) − Mechanical Engineering Faculty, Universidade Estadual de Campinas, Campinas, SP, Brazil, 2003.
5 ONG, J. H. An improved technique for the prediction of axial fatigue life from tensile data. International Journal of Fatigue, v. 15, n. 3, p. 213-9, 1993. http://dx.doi.org/10.1016/0142-1123(93)90179-T
6 ONG, J. H. An evaluation of existing methods for the prediction of axial fatigue life from tensile data. International Journal of Fatigue, v. 15, n. 1, p. 13-9, 1993. http://dx.doi.org/10.1016/0142-1123(93)90071-W
7 MORROW, J. Cyclic plastic strain energy and fatigue of metals. West Conshohocken: ASTM International, 1965. (STP 378)
8 AMERICAN SOCIETY FOR TESTING AND MATERIALS. E 8M – 04: Tension testing of metallic materials. West Conshohocken, 2004.
9 AMERICAN SOCIETY FOR TESTING AND MATERIALS. E 606 – 92: Strain-controlled fatigue testing. West Conshohocken, 1992.
10 MITCHELL, M. R. Fatigue analysis for design. In: SEMINAR ON FATIGUE, 1., 2000, São Bernardo do Campo. Proceedings… São Bernardo do Campo: SAE Brazil, 2000. p. 5-12.
11 RIBEIRO, A. S.; COSTA J. D.; FERNANDES, A. A. Fadiga oligocíclica: propriedades cíclicas da liga de alumínio Al 6061-T651. In: COBEM – BRAZILIAN CONGRESS OF MECHANICAL ENGINEERING, 15., 1999, Águas de Lindóia. Proceedings… Campinas: ABCM, 1999.
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