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2 Zeszyty Naukowe Katedry Mechaniki Stosowanej / Politechnika Śląska

2 2003

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Experimental and numerical solutions of contact fatigue

Lenert J., Frydrysek K., Vaclavek L., Kucera J., Fuxa J., Halama R., Macura P., Fiala A., Fusek M.

Zeszyty Naukowe Katedry Mechaniki Stosowanej / Politechnika Śląska

2003

nr 21

153-158

This article shows: 1. Some studies of a low-cycle material fatigue caused by cyclical contact between two spheres with the same diameters. The spheres are made up from modified 15219 steel. The problem was solved by FEM (SW MSC.MARC/Mentat. The results show hysteresis loops from which the number of cycles umil fracture can be determined.2. The realisation of test device for the research of contact fatigue as complement of the loading test machine INOVA, which is directed to look for quantitative coherence between number of cycles to the origin of fatigue cracks in the area of mechanical contact.

Contact fatigue solved via FEM

Halama R., Frydrysek K.

Zeszyty Naukowe Katedry Mechaniki Stosowanej / Politechnika Śląska

2003

nr 21

75-78

This article shows some studies of a low-cycle material fatigue caused :by cyclical contact between the wheel and rail. The wheel is made up from 11523 steel. The problem was solved by FEM (SW Ansys Release 6.1). The results show hysteresis loops, which can be use for the calculating the number of cycles to failure.