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Open AccessFeature PaperArticle

The Effect of Mean Load for S355J0 Steel with Increased Strength

Department of Mechanics and Machine Design, Opole University of Technology, Mikolajczyka 5, 45-271 Opole, Poland
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Metals 2020, 10(2), 209; https://doi.org/10.3390/met10020209
Received: 12 December 2019 / Revised: 17 January 2020 / Accepted: 28 January 2020 / Published: 1 February 2020
(This article belongs to the Special Issue High-Strength Low-Alloy Steels)
The paper presents an algorithm for calculating the fatigue life of S355J0 steel specimens subjected to cyclic bending, cyclic torsion, and a combination of bending and torsion using mean stress values. The method of transforming cycle amplitudes with a non-zero mean value into fatigue equivalent cycles with increased amplitude and zero mean value was used. Commonly known and used transformation dependencies were used and a new model of the impact of the mean stress value on the fatigue life of the material was proposed. The life calculated based on the proposed algorithm was compared with the experimental life. It has been shown that the proposed model finds the widest application in the load cases studied, giving good compliance of the calculation results with the experimental results. View Full-Text
Keywords: fatigue life; steel; bending and torsion; stress ratio fatigue life; steel; bending and torsion; stress ratio
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MDPI and ACS Style

Pawliczek, R.; Rozumek, D. The Effect of Mean Load for S355J0 Steel with Increased Strength. Metals 2020, 10, 209. https://doi.org/10.3390/met10020209

AMA Style

Pawliczek R, Rozumek D. The Effect of Mean Load for S355J0 Steel with Increased Strength. Metals. 2020; 10(2):209. https://doi.org/10.3390/met10020209

Chicago/Turabian Style

Pawliczek, Roland; Rozumek, Dariusz. 2020. "The Effect of Mean Load for S355J0 Steel with Increased Strength" Metals 10, no. 2: 209. https://doi.org/10.3390/met10020209

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