Investigations of the Influence of a Superimposed Oscillation on the Fatigue Strength
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Fatigue Life Cycles and Tensile Strength
3.2. Metallographics
4. Discussion
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Material | C | Si | Mn | P | S | Al | Cr + Mo + Ni |
---|---|---|---|---|---|---|---|
DC04 | 0.08% | – | 0.4% | 0.03% | 0.03% | – | – |
DP600 | 0.14% | 1.5% | 2.0% | 0.07% | 0.015% | 0.015% | 1.0% |
Material | Pre-Treatment | Sample Class |
---|---|---|
DC04 | oscillation-free pre-stretched (15%) | A |
superimposed oscillation pre-stretched (15%) | B | |
delivery state | C | |
DP600 | oscillation-free pre-stretched (15%) | D |
superimposed oscillation pre-stretched (15%) | E | |
delivery state | F |
Sample | Formula | Number |
---|---|---|
DC04 delivery state | σA = −4.82ln(Nf) + 175.11 | (1) |
DC04 15% oscillation-free pre-stretched | σA = −5.125ln(Nf) + 206.64 | (2) |
DC04 15% superimposed oscillation pre-stretched | σA = −5.095ln(Nf) + 204.5 | (3) |
DP600 delivery state | σA = −3.994ln(Nf) + 170.29 | (4) |
DP600 15% oscillation-free pre-stretched | σA = −35.69ln(Nf) + 628.85 | (5) |
DP600 15% superimposed oscillation pre-stretched | σA = −15.4ln(Nf) + 352.81 | (6) |
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Behrens, B.-A.; Hübner, S.; Rosenbusch, D.; Müller, P. Investigations of the Influence of a Superimposed Oscillation on the Fatigue Strength. Metals 2020, 10, 1274. https://doi.org/10.3390/met10101274
Behrens B-A, Hübner S, Rosenbusch D, Müller P. Investigations of the Influence of a Superimposed Oscillation on the Fatigue Strength. Metals. 2020; 10(10):1274. https://doi.org/10.3390/met10101274
Chicago/Turabian StyleBehrens, Bernd-Arno, Sven Hübner, Daniel Rosenbusch, and Philipp Müller. 2020. "Investigations of the Influence of a Superimposed Oscillation on the Fatigue Strength" Metals 10, no. 10: 1274. https://doi.org/10.3390/met10101274