Proceedings Vol. 20 (2014)
ENGINEERING MECHANICS 2014
May 12 – 15, 2014, Svratka, Czech Republic
Copyright © 2014 Brno University of Technology Institute of Solid Mechanics, Mechatronics and Biomechanics
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 655 - 658, full text
The paper presents hybrid method for determine fatigue S-N curve in limited life region. To invent this method, gamma distribution of slope coefficient fatigue characteristics has been estimated. From this distribution was proposed value of slope S-N curve as mode of distribution m slope for smooth and notched specimen. To verify this approach, fatigue test of smooth and notched specimen of 42CrMo4 and C45+C steel has been carried out. Qualitative verification has occurred that proposed method get better results for notched specimen and worse for smooth specimen.
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