Soares, HenriqueAnes, Vitorde Freitas, M.Reis, Luis2019-04-162019-04-162018SOARES, H.; [et al] – Fatigue life of a railway wheel under uniaxial and multiaxial loadings. Procedia Structural Integrity. ISSN 2452-3216. Vol. 13 (2018), pp. 1786-17912452-3216http://hdl.handle.net/10400.21/9869In this paper, a railway wheel material is under evaluation using multiaxial fatigue testing. The experiments were conducted using a servo-hydraulic machine with standardized specimens. All samples were machined from a single worn-out railway wheel. The damage scale between normal and shear stresses was evaluated in the normal stress space for proportional and non-promotional loadings. Moreover, the uniaxial SN curves were obtained. A critical plane analysis was performed using theoretical criteria and experimental results. Results show a strong influence of heat treatments on the material fatigue behavior.engStress Scale Factor (SSF)Multiaxial fatigueCritical plane criteriaHeat treatmentExperimentsFadiga multiaxialCritérios do plano críticoTratamento térmicoconference object10.1016/j.prostr.2018.12.362