| Issue |
MATEC Web Conf.
Volume 300, 2019
ICMFF12 - 12th International Conference on Multiaxial Fatigue and Fracture
|
|
|---|---|---|
| Article Number | 16002 | |
| Number of page(s) | 6 | |
| Section | Strength Criteria | |
| DOI | https://doi.org/10.1051/matecconf/201930016002 | |
| Published online | 02 December 2019 | |
The assessment of the tensile with torsion loading interaction using the selected hypotheses and the experiment
1
Slovak University of Technology, Námestie slobody 17, 81231 Bratislava, Slovakia
2
Slovnaft, a.s., Vlčie Hrdlo 1, 824 12 Bratislava
* Corresponding author: vladimir.chmelko@stuba.sk
For two steels with different material properties (both cyclic and static ones) were experimentally obtained dependencies σa=f(Nf) and σa=f(Nf). The specimens of these materials were loaded with multiple tensile and torsion stress combinations. It was found out that the time-depending relationship between the individual stresses was proportional. The results for steel with high ration of Rm/Re are different comparing to the results of the second material. In this contribution, there will be confronted the experimentally obtained fatigue life-time magnitudes with selected multiaxial fatigue life-time hypotheses like Findley, McDiarmid, Dang-Van, Carpinteri-Spagnioli, and Margetin-Ďurka-Chmelko.
© The Authors, published by EDP Sciences, 2019
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