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Corrosion fatigue and damage tolerance in the nickel-based superalloy RR1000 subjected to SO2 environments

Martin Bache, Chris Ball, Mark Hardy, Paul Mignanelli

Fatigue & Fracture of Engineering Materials & Structures, Volume: 45, Issue: 5, Pages: 1537 - 1549

Swansea University Authors: Martin Bache, Chris Ball

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DOI (Published version): 10.1111/ffe.13687

Abstract

When exposed to a high temperature corrosive environment nickel based superalloys may experience surface pitting and sulphide diffusion, which will influence concurrent or subsequent fatigue behaviour. Sulphur, pre-existing in the environment or as a bi-product of burning fossil fuels, reacts with s...

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Published in: Fatigue & Fracture of Engineering Materials & Structures
ISSN: 8756-758X 1460-2695
Published: Wiley 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa59482
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first_indexed 2022-03-02T11:43:33Z
last_indexed 2022-05-05T03:31:29Z
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spelling 2022-05-04T16:24:35.3595841 v2 59482 2022-03-02 Corrosion fatigue and damage tolerance in the nickel-based superalloy RR1000 subjected to SO2 environments 3453423659f6bcfddcd0a716c6b0e36a Martin Bache Martin Bache true false 3592ed97338725843efc6da22f3aba5c Chris Ball Chris Ball true false 2022-03-02 FGSEN When exposed to a high temperature corrosive environment nickel based superalloys may experience surface pitting and sulphide diffusion, which will influence concurrent or subsequent fatigue behaviour. Sulphur, pre-existing in the environment or as a bi-product of burning fossil fuels, reacts with sodium (as an atmospheric pollutant) creating molten sodium sulphate deposits on the metal surface. Combined with sodium chloride, these deposits attack the protective oxide layer allowing sulphides to migrate along grain boundaries. Continued sulphide diffusion promotes a weakened subsurface layer, inducing grain dropout and fatigue crack initiation. The present investigation focussed upon the subsequent effects of exposure to SO2 containing atmospheres on low cycle fatigue performance, together with the impact of an intermediate cleaning process. Damage tolerance data suggest that exposure to a SO2 environment fails to affect fatigue crack growth threshold or stage II growth behaviours when compared with standard laboratory air. Journal Article Fatigue &amp; Fracture of Engineering Materials &amp; Structures 45 5 1537 1549 Wiley 8756-758X 1460-2695 damage tolerance; fatigue; hot corrosion; nickel superalloy; pitting 1 5 2022 2022-05-01 10.1111/ffe.13687 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University SU Library paid the OA fee (TA Institutional Deal) EPSRC Rolls-Royce plc EP/H500383/1 and EP/H022309/1 2022-05-04T16:24:35.3595841 2022-03-02T11:32:20.0393938 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Martin Bache 1 Chris Ball 2 Mark Hardy 3 Paul Mignanelli 4 59482__22635__694d7fb490da43f2a68733d563fbe6c3.pdf 59482.pdf 2022-03-21T12:28:28.7112063 Output 2621491 application/pdf Version of Record true © 2022 The Authors. This is an open access article under the terms of the Creative Commons Attribution License true eng http://creativecommons.org/licenses/by/4.0/
title Corrosion fatigue and damage tolerance in the nickel-based superalloy RR1000 subjected to SO2 environments
spellingShingle Corrosion fatigue and damage tolerance in the nickel-based superalloy RR1000 subjected to SO2 environments
Martin Bache
Chris Ball
title_short Corrosion fatigue and damage tolerance in the nickel-based superalloy RR1000 subjected to SO2 environments
title_full Corrosion fatigue and damage tolerance in the nickel-based superalloy RR1000 subjected to SO2 environments
title_fullStr Corrosion fatigue and damage tolerance in the nickel-based superalloy RR1000 subjected to SO2 environments
title_full_unstemmed Corrosion fatigue and damage tolerance in the nickel-based superalloy RR1000 subjected to SO2 environments
title_sort Corrosion fatigue and damage tolerance in the nickel-based superalloy RR1000 subjected to SO2 environments
author_id_str_mv 3453423659f6bcfddcd0a716c6b0e36a
3592ed97338725843efc6da22f3aba5c
author_id_fullname_str_mv 3453423659f6bcfddcd0a716c6b0e36a_***_Martin Bache
3592ed97338725843efc6da22f3aba5c_***_Chris Ball
author Martin Bache
Chris Ball
author2 Martin Bache
Chris Ball
Mark Hardy
Paul Mignanelli
format Journal article
container_title Fatigue &amp; Fracture of Engineering Materials &amp; Structures
container_volume 45
container_issue 5
container_start_page 1537
publishDate 2022
institution Swansea University
issn 8756-758X
1460-2695
doi_str_mv 10.1111/ffe.13687
publisher Wiley
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description When exposed to a high temperature corrosive environment nickel based superalloys may experience surface pitting and sulphide diffusion, which will influence concurrent or subsequent fatigue behaviour. Sulphur, pre-existing in the environment or as a bi-product of burning fossil fuels, reacts with sodium (as an atmospheric pollutant) creating molten sodium sulphate deposits on the metal surface. Combined with sodium chloride, these deposits attack the protective oxide layer allowing sulphides to migrate along grain boundaries. Continued sulphide diffusion promotes a weakened subsurface layer, inducing grain dropout and fatigue crack initiation. The present investigation focussed upon the subsequent effects of exposure to SO2 containing atmospheres on low cycle fatigue performance, together with the impact of an intermediate cleaning process. Damage tolerance data suggest that exposure to a SO2 environment fails to affect fatigue crack growth threshold or stage II growth behaviours when compared with standard laboratory air.
published_date 2022-05-01T04:16:49Z
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score 11.017731

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