PSI - Issue 42

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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Procedia Structural Integrity 42 (2022) 412–419

23 European Conference on Fracture - ECF23 Multi-physics FE-analysis and measurements for thermo mechanical fatigue crack growth rate testing applications A. Sulamanidze 1,* , V. Shlyannikov 1 1 FRC Kazan Scientific Center of Russian Academy of Sciences,Lobachevsky Street, 2/31, Kazan, 420111, Russia 23 European Conference on Fracture - ECF23 Multi-physics FE-analysis and me sur me ts for thermo mechanical fatigue crack growth rate testing applications A. Sulamanidze 1,* , V. Shlyannikov 1 1 FRC Kazan Scientific Center of Russian Academy of Sciences,Lobachevsky Street, 2/31, Kazan, 420111, Russia

© 2022 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 the scientific committee of the 23 European Conference on Fracture – ECF23 © 2020 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 responsibility of 23 European Conference on Fracture - ECF23 Keywords: Multi-physics FEA; thermo-mechancal fatigue; in-phase and out-of-phase crack growth; temperature and stress distributions. Abstract Th presented methodology in this study is addressed to in-phase (IP) and out-of-phas (OOP) l ading ycles in stationary and tran ient the mo-mechanical fi lds. The subject of the numerical and experimental study is a single edg notch tension (SENT) specimen produced from a high-tempe tur nickel- based alloy ХН73М. In order to determinati n a local thermo-mechanical stress-strain rate and displacement f elds a new algorithm for he multi-physics numerical calculations developed and implem nted incorporate Maxwell 3D, Fluent and Transie t Structural modules of ANSYS 2021R1. The employ nt of proposed algorith o rep esent th cyclic history associated with the TMF conditions in the experiments, multi-physics finite e ement (FE) mode ling of the stress, strain and displace ent fields in the SENT specimen was performed. Additionally, time d pendent non-uniform temperature fields wer determined with the same cy lic variations and magnit des as in the experimental OOP and IP cycli g. As a complement to he FEM computations, the nfra-red th rmography temperature distribution asure ents was implemented for the TMF state in the experime ts in th SENT pe m n. The comparison multi-physics FE-analysis and direct measurements shown in the present study is intended to contribute to a better understanding of the different mechanisms driving TMF crack growth and the address the outstanding questions associated with basic methodology. © 2020 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND lic nse (ht p://creative ommons.org/licens s/by-nc-n /4.0/) Peer-review under responsibility of 23 European Conference on Fracture - ECF23 Keywords: Multi-physics FEA; thermo-mechancal fatigue; in-phase and out-of-phase crack growth; temperature and stress distributions. Abstract The presented methodology in this study is addressed to in-phase (IP) and out-of-phase (OOP) loading cycles in stationary and transient thermo-mechanical fields. The subject of the numerical and experimental study is a single edge notch tension (SENT) specimen produced from a high-temperature nickel- based alloy ХН73М. In order to determination a local thermo-mechanical stress-strain rate and displacement fields a new algorithm for the multi-physics numerical calculations developed and implemented incorporates Maxwell 3D, Fluent and Transient Structural modules of ANSYS 2021R1. The employment of proposed algorithm to represent the cyclic history associated with the TMF conditions in the experiments, multi-physics finite element (FE) modelling of the stress, strain and displacement fields in the SENT specimen was performed. Additionally, time dependent non-uniform temperature fields were determined with the same cyclic variations and magnitudes as in the experimental OOP and IP cycling. As a complement to the FEM computations, the infra-red thermography temperature distribution measurements was implemented for the TMF state in the experiments in the SENT specimen. The comparison multi-physics FE-analysis and direct measurements shown in the present study is intended to contribute to a better understanding of the different mechanisms driving TMF crack growth and the address the outstanding questions associated with basic methodology.

* Corresponding author. Tel.:+7 904-666-8899. E-mail address: agsulamanidze@yandex.ru * Corresponding author. Tel.:+7 904-666-8899. E-mail address: agsulamanidze@yandex.ru

2452-3216 © 2020 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 responsibility of 23 European Conference on Fracture - ECF23 2452 3216 © 2020 Th 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 responsibility of 23 European Conference on Fracture - ECF23

2452-3216 © 2022 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 the scientific committee of the 23 European Conference on Fracture – ECF23 10.1016/j.prostr.2022.12.052