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Corrosion fatigue and damage tolerance in the nickel-based superalloy RR1000 subjected to SO2 environments
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...
Published in: | Fatigue & Fracture of Engineering Materials & Structures |
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ISSN: | 8756-758X 1460-2695 |
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Wiley
2022
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URI: | https://cronfa.swan.ac.uk/Record/cronfa59482 |
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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 & Fracture of Engineering Materials & 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 & Fracture of Engineering Materials & Structures |
container_volume |
45 |
container_issue |
5 |
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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 |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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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 |
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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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1763754125444513792 |
score |
11.037603 |