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Fatigue behavior of high strength steels (S460, S690 and S960) after corrosion
Benešová, Anna ; Květoň, Josef (referee) ; Seitl, Stanislav (advisor)
The subject of this diploma thesis is the issue of the interaction of fatigue stress and corrosion on high-strength steel. Specifically, S 460, S 690, S 960 were selected. This work presents the results of fatigue experiments on test samples that were degraded by four types of corrosion, mainly in artificial atmospheres. Subsequently, fatigue models were calculated from these data, which describe the fatigue behavior of these steels and were compared with each other. At the end, photographs of fracture surfaces of broken samples of these steels were taken, which were analyzed and their fatigue behavior was discussed with their help together with the created fatigue models.
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