PSI - Issue 43

Available online at www.sciencedirect.com Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2022) 000 – 000 Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2022) 000 – 000

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ScienceDirect

Procedia Structural Integrity 43 (2023) 172–177

© 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under the responsibility of MSMF10 organizers. © 20 23 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) Peer-review under the responsibility of MSMF10 organizers. Abstract Stainless steel i a material which i widely used in various environments, including structural, load-bearing components of buil ings. Almost every engineering structure is exposed to cyclic loading, wh ch r sults in fatigue amage of th material, which could, in combina ion with discontinuiti s (cracks, flaws, etc.) alr ady existing in every material, lead to th failure of the structural p rt, or worse, to the failure of the whole civil structure. To understand he be avior, we prepared an experimental campaign of a stainless-steel IPE 80 beam in three-point bending under cyclic load. In total, three specimens with differ nt r ss r ios ( R = 0.1, 0.3, 0.5) were tested and Paris ’ material’s constants were evaluated and compared for the AISI 304 stainless steel material. © 20 23 The Authors. Published by Elsevier B.V. This is an ope access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) Peer-review under the responsibility of MSMF10 organizers. 10th International Conference on Materials Structure and Micromechanics of Fracture Evaluation of Fatigue Crack Growth Rates in an IPE Beam Made of AISI 304 under Various Stress Ratios Tereza Juhászová a,b * , Petr Miarka a,b , Daniel Jindra a , Zdeněk Kala a , Stanislav Seitl a,b 10th International Conference on Materials Structure and Micromechanics of Fracture Evaluation of Fatigue Crack Growth Rates in an IPE Beam Made of AISI 304 under Various Stress Ratios Tereza Juhászová a,b * , Petr Miarka a,b , Daniel Jindra a , Zdeněk Kala a , Stanislav Seitl a,b a Institute of Physics of Materials, Czech Academy of Science, Žižkova 22, 616 00 Brno, Czech Republic b Brno University of Technology, Faculty of Civil Engineering, Veve ří 331/95, 602 00 Brno, Czech Republic a Institute of Physics of Materials, Czech Academy of Science, Žižkova 22, 616 00 Brno, Czech Republic b Brno University of Technology, Faculty of Civil Engineering, Veve ří 331/95, 602 00 Brno, Czech Republic Abstract Stainless steel is a material which is widely used in various environments, including structural, load-bearing components of buildings. Almost every engineering structure is exposed to cyclic loading, which results in fatigue damage of the material, which could, in combination with discontinuities (cracks, flaws, etc.) already existing in every material, lead to the failure of the structural part, or worse, to the failure of the whole civil structure. To understand the behavior, we prepared an experimental campaign of a stainless-steel IPE 80 beam in three-point bending under cyclic load. In total, three specimens with different stress ratios ( R = 0.1, 0.3, 0.5) were tested and Paris ’ material’s constants were evaluated and compared for the AISI 304 stainless steel material. 1. Introduction The assessment of fatigue damage has already been studied for many decades and the results have found a direct application in the industry producing machines and parts which are cyclically loaded over their lifespans (turbines, axles, shafts, etc.). Later on, the fatigue started to be an issue in the civil engineering industry, which led to the formulation of the standardized documents for the structural design of the structural parts exposed to cyclic load. One of these documents is Eurocode 3, which uses the linear damage accumulation method for the fatigue assessment based 1. Introduction The assessment of fatigue damage has already been studied for many decades and the results have found a direct pplication in the industry producing machines and parts which are cyclically load d over their lifespans (turbines, axles, shafts, etc.). Later on, the fatigue started to be an issue i the civil engineering industry, which led to th formulation of the standardized documents for the structural design of the structural parts exposed to cyclic load. One of these documents is Eurocode 3, which uses the linear damage accumulation method for the fatigue assessment based Keywords: IPE 80; AISI 304; stainless steel; Paris’ law; stress ratio Keywords: IPE 80; AISI 304; stainless steel; Paris’ law; stress ratio

* Corresponding author. Tel.: +4-205-322-0367. E-mail address: juhaszova@ipm.cz * Correspon ing a t or. Tel.: +4-205-322-0367. E-mail address: juhaszova@ipm.cz

2452-3216 © 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under the responsibility of MSMF10 organizers. 2452-3216 © 2023 The Authors. Published by Elsevier B.V. This is an ope access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under the responsibility of MSMF10 organizers.

2452-3216 © 2023 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under the responsibility of MSMF10 organizers. 10.1016/j.prostr.2022.12.254