PSI - Issue 46

Available online at www.sciencedirect.com Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2021) 000–000

www.elsevier.com/locate/procedia

ScienceDirect

Procedia Structural Integrity 46 (2023) 62–67

© 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 responsibility of ICSID 2021 Organizers Abstract Determination of the expected fatigue life of components operating under rolling-sliding contact loading (gears, bearings, wheels) is quite challenging due to the complex stresses and strains in the material which are constantly changing during the loading cycles. Additional challenge is a lack of the exact properties of the material that components are made of, which is especially pronounced in cases of heat-treated components in which values of the material properties can vary significantly within the component. Based on the results of fatigue testing of involute spur gears made of differently heat-treated steel 42CrMo4 steel (normalized, quenched&tempered) reported in literature, fatigue life analyses of gear teeth flanks were performed using the previously proposed multiaxial fatigue life calculation model based on Fatemi-Socie critical plane based crack initiation criterion. Since the actual cyclic and fatigue material parameters were unavailable, they were estimated using the estimation method developed specifically for 42CrMo4 steel using monotonic properties of the materials which were reported in corresponding studies. Comparisons of experimental and calculated fatigue lives i.e. load carrying capacities show very good agreement thus confirming the applicability of estimation of the advanced material parameters in fatigue and failure analyses of the actual components subjected to rolling sliding contact loading. © 2021 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 responsibility of ICSID 2021 Organizers Keywords : fatigue life ; gears ; rolling-sliding contact ; critical plane ; multiaxial fatigue ; fatigue parameters estimation 5th International Conference on Structural Integrity and Durability Application of material fatigue parameters estimation in analysis of rolling-sliding contact fatigue of gears Robert Basan a, *, Tea Marohnić a , Željko Božić b a University of Rijeka, Faculty of Engineering, Vukovarska 58, HR-51000 Rijeka, Croatia b University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Ivana Lu č i ć a 5, HR-10000 Zagreb, Croatia

* Corresponding author. Tel.: +385 51 651 530 ; fax: +385 51 651 416. E-mail address: robert.basan@riteh.hr

2452-3216 © 2021 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 responsibility of ICSID 2021 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 responsibility of ICSID 2021 Organizers 10.1016/j.prostr.2023.06.011