| Issue |
MATEC Web Conf.
Volume 338, 2021
34th Scientific Conference: Problems of Working Machines Development (PRMR 2021)
|
|
|---|---|---|
| Article Number | 01026 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/matecconf/202133801026 | |
| Published online | 25 June 2021 | |
Estimation of fatigue S-N curves for aluminium based on tensile strength – proposed method
1
UTP University of Science and Technology, Faculty of Mechanical Engineering, Kaliskiego 7, 85-796 Bydgoszcz, Poland
2
INEGI, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
* Corresponding author: p.strzelecki@utp.edu.pl
The paper presents its own proposition of an analytical method for determining the S-N characteristic for aluminium material. The method is based on the value of the slope coefficient of the limited fatigue lifeline, determined based on the equation, which was proposed by analyzing a database of these parameters for a given group of materials. Also, the parameters of the method are tensile strength, yield strength, and the number of load cycles assigned to the knee point of the characteristic. A verification carrying out for three materials (AW-6063 T6, 2017-T4 & 2024 T351) shown that the proposed method gave better results than other methods presented in the literature.
© The Authors, published by EDP Sciences, 2021
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