Influence of corrosion on fatigue behaviour of old crane runway steel

0519042 - ÚFM 2020 RIV GB eng J - Článek v odborném periodiku
Seitl, Stanislav - Miarka, Petr - Pokorný, Pavel - Klusák, Jan
Influence of corrosion on fatigue behaviour of old crane runway steel.
Journal of Strain Analysis for Engineering Design. Roč. 54, 7-8 (2019), s. 416-423. ISSN 0309-3247. E-ISSN 2041-3130
Institucionální podpora: RVO:68081723
Klíčová slova: Fatigue * corrosion * LYRA * FEM * Wöhler curve
Obor OECD: Audio engineering, reliability analysis
Impakt faktor: 1.630, rok: 2019
Způsob publikování: Omezený přístup
https://journals.sagepub.com/doi/10.1177/0309324719891079

Experimental measurements of fatigue properties of old steel used for a crane runway were performed to capture the influence of corrosion on fatigue life of the material. Basquin’s law was used to quantify the fatigue properties of old steel with different cross sections and with different surface of specimens (polished and corroded). The finite element model was prepared to assess and quantify the various stress distribution in specimens with circular and rectangular cross sections. Fracture surfaces of the three kinds of specimens (circular polished, rectangular polished and rectangular corroded) were studied and they showed the surface crack initiation. The following fatigue cracks developed from the surface and expanded into specimen with radiation pattern. Observed crack initiation areas confirmed the ones expected according to stress concentrations.
Trvalý link: http://hdl.handle.net/11104/0304214