PSI - Issue 65

Available online at www.sciencedirect.com Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2024) 000–000 Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2024) 000–000

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ScienceDirect

Procedia Structural Integrity 65 (2024) 25–31

The 17th International Conference on MECHANICS, RESOURCE AND DIAGNOSTICS OF MATERIALS AND STRUCTURES (MRDMS 2023) A review of research into chromium and chromium-based coatings for superalloys V.A. Bryzgalov a,b , Bebikhov Yu.V. с , E.A. Korznikova a,b,c, * a Youth Research Laboratory “Metals and Alloys under Extreme Impacts”, Ufa University of Science and Technology, 450076 Ufa, Russia b Institute of Metal Superplasticity Problems, Russian Academy of Sciences, 450001 Ufa, Russia c Politechnical Institute (branch) of M.K. Ammosov North-Eastern Federal University, Mirny , 678179, Russia This review examines recent research on chromium and chromium-based coatings for superalloys, focusing on their application methods and protective mechanisms in extreme environments. The study explores diffusion coatings, particularly the pack cementation method, and overlay coatings applied through thermal spraying techniques. The formation of protective Cr 2 O 3 oxide scales and the role of chromium in enhancing oxidation and corrosion resistance are discussed. The review also addresses the challenges and limitations of chromium coatings, including the need for precise control of chromium content. Finally, it highlights the importance of selecting appropriate coating methods based on specific application requirements and environmental conditions. © 2024 Bryzgalov V.A., Bebikhov Yu.V., Korznikova E.A., 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 MRDMS 2023 organizers Keywords: chromium coatings, overlay coatings, pack cementation method, thermal-barrier coatings, chromium oxide The 17th International Conference on MECHANICS, RESOURCE AND DIAGNOSTICS OF MATERIALS AND STRUCTURES (MRDMS 2023) A review of research into chromium and chromium-based coatings for superalloys V.A. Bryzgalov a,b , Bebikhov Yu.V. с , E.A. Korznikova a,b,c, * a Youth Research Laboratory “Metals and Alloys under Extreme Impacts”, Ufa University of Science and Technology, 450076 Ufa, Russia b Institute of Metal Superplasticity Problems, Russian Academy of Sciences, 450001 Ufa, Russia c Politechnical Institute (branch) of M.K. Ammosov North-Eastern Federal University, Mirny , 678179, Russia Abstract This review examines recent research on chromium and chromium-based coatings for superalloys, focusing on their application methods and protective mechanisms in extreme environments. The study explores diffusion coatings, particularly the pack cementation method, and overlay coatings applied through thermal spraying techniques. The formation of protective Cr 2 O 3 oxide scales and the role of chromium in enhancing oxidation and corrosion resistance are discussed. The review also addresses the challenges and limitations of chromium coatings, including the need for precise control of chromium content. Finally, it highlights the importance of selecting appropriate coating methods based on specific application requirements and environmental conditions. © 2024 Bryzgalov V.A., Bebikhov Yu.V., Korznikova E.A., 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 MRDMS 2023 organizers Keywords: chromium coatings, overlay coatings, pack cementation method, thermal-barrier coatings, chromium oxide © 2024 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 MRDMS 2023 organizers Abstract

1. Introduction 1. Introduction

The development of new materials (Babicheva et al., (2022); Belosludtseva and Vinokurov, (2024)) capable of withstanding extreme conditions remains a critical challenge in numerous high-performance engineering applications. The development of new materials (Babicheva et al., (2022); Belosludtseva and Vinokurov, (2024)) capable of withstanding extreme conditions remains a critical challenge in numerous high-performance engineering applications.

* Corresponding author. Tel.: +7-919-602-2704. E-mail address: elena@korznikova@gmail.com * Corresponding author. Tel.: +7-919-602-2704. E-mail address: elena@korznikova@gmail.com

2452-3216 © 2024 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 MRDMS 2023 organizers 2452-3216 © 2024 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 MRDMS 2023 organizers

2452-3216 © 2024 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 MRDMS 2023 organizers 10.1016/j.prostr.2024.11.005