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Article

Fatigue Life Estimation with Mean Stress Effect Compensation for Lightweight Structures—The Case of GLARE 2 Composite

Faculty of Mechanical Engineering, Opole University of Technology, Ul. Mikołajczyka 5, 45-271 Opole, Poland
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Author to whom correspondence should be addressed.
Polymers 2020, 12(2), 251; https://doi.org/10.3390/polym12020251
Received: 23 December 2019 / Revised: 17 January 2020 / Accepted: 19 January 2020 / Published: 21 January 2020
This paper describes the current state-of-the-art in fatigue life assessment for lightweight composite structures with the use of the frequency domain fatigue life calculation method. Random stationary gaussian loading signals have been generated and served in the process of fatigue calculation. The material information that is being used in the calculation process has been obtained from literature for the Glare 2 composite. The effect of nonzero mean stress and different fiber orientations have been taken into account. The calculations have been performed for two mean stress compensation models by Goodman and Gerber. The proposed procedure gives satisfying results for the high-cycle fatigue region for Goodman and an overall good comparison in both regimes for the Gerber model. View Full-Text
Keywords: mean stress; fatigue life prediction; lightweight structures; Glare II composite mean stress; fatigue life prediction; lightweight structures; Glare II composite
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MDPI and ACS Style

Böhm, M.; Głowacka, K. Fatigue Life Estimation with Mean Stress Effect Compensation for Lightweight Structures—The Case of GLARE 2 Composite. Polymers 2020, 12, 251. https://doi.org/10.3390/polym12020251

AMA Style

Böhm M, Głowacka K. Fatigue Life Estimation with Mean Stress Effect Compensation for Lightweight Structures—The Case of GLARE 2 Composite. Polymers. 2020; 12(2):251. https://doi.org/10.3390/polym12020251

Chicago/Turabian Style

Böhm, Michał, and Karolina Głowacka. 2020. "Fatigue Life Estimation with Mean Stress Effect Compensation for Lightweight Structures—The Case of GLARE 2 Composite" Polymers 12, no. 2: 251. https://doi.org/10.3390/polym12020251

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