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High temperature corrosion-fatigue behavior of a shot peened nickel based superalloy

Yong Li, Hollie Cockings Orcid Logo, P.M. Mignanelli, Mark Whittaker Orcid Logo, Ben Cockings, R. Buckingham, Martin Bache

Corrosion Science, Volume: 207, Start page: 110577

Swansea University Authors: Yong Li, Hollie Cockings Orcid Logo, Mark Whittaker Orcid Logo, Ben Cockings, Martin Bache

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DOI (Published version): 10.1016/j.corsci.2022.110577

Abstract

As turbine entry temperatures (TET) in modern gas turbine engines continue to increase, Type II hot corrosion has the potential to be a significant damage mechanism at turbine disk rims as temperatures approach 700°C. Therefore, assessment of the effect of hot corrosion damage is essential. In the c...

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Published in: Corrosion Science
ISSN: 0010-938X
Published: Netherlands Elsevier BV 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa60843
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first_indexed 2022-08-17T10:32:39Z
last_indexed 2023-01-13T19:21:16Z
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spelling 2022-11-21T10:58:34.1614389 v2 60843 2022-08-17 High temperature corrosion-fatigue behavior of a shot peened nickel based superalloy 3f1f78a1118c31035a204713226971d1 Yong Li Yong Li true false c951e311ac85396c2bb8ed4153b19fde 0000-0002-9745-4521 Hollie Cockings Hollie Cockings true false a146c6d442cb2c466d096179f9ac97ca 0000-0002-5854-0726 Mark Whittaker Mark Whittaker true false 998ffd9fa65fa0c2ffc718a5bff10cdd Ben Cockings Ben Cockings true false 3453423659f6bcfddcd0a716c6b0e36a Martin Bache Martin Bache true false 2022-08-17 MTLS As turbine entry temperatures (TET) in modern gas turbine engines continue to increase, Type II hot corrosion has the potential to be a significant damage mechanism at turbine disk rims as temperatures approach 700°C. Therefore, assessment of the effect of hot corrosion damage is essential. In the current research, low cycle corrosion-fatigue behavior of a newly developed polycrystalline nickel superalloy was investigated. The testing programme involved consideration of the variations in fatigue life brought about by changes in surface condition when tested at 700°C in a representative service environment. The high temperature corrosion-fatigue resistance behavior is compared with a previous generation alloy, and detailed fractography to identify the mechanisms of fatigue crack initiation is discussed. High temperature corrosion-fatigue behavior is also correlated to the shot peened work hardened layer. Journal Article Corrosion Science 207 110577 Elsevier BV Netherlands 0010-938X Corrosion-fatigue, nickel superalloy, type II hot corrosion, shot peening 1 10 2022 2022-10-01 10.1016/j.corsci.2022.110577 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University The current research was funded under the Aerospace Technology Institute (ATI) CAJoRR, UK project. 2022-11-21T10:58:34.1614389 2022-08-17T11:24:53.2547429 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Yong Li 1 Hollie Cockings 0000-0002-9745-4521 2 P.M. Mignanelli 3 Mark Whittaker 0000-0002-5854-0726 4 Ben Cockings 5 R. Buckingham 6 Martin Bache 7
title High temperature corrosion-fatigue behavior of a shot peened nickel based superalloy
spellingShingle High temperature corrosion-fatigue behavior of a shot peened nickel based superalloy
Yong Li
Hollie Cockings
Mark Whittaker
Ben Cockings
Martin Bache
title_short High temperature corrosion-fatigue behavior of a shot peened nickel based superalloy
title_full High temperature corrosion-fatigue behavior of a shot peened nickel based superalloy
title_fullStr High temperature corrosion-fatigue behavior of a shot peened nickel based superalloy
title_full_unstemmed High temperature corrosion-fatigue behavior of a shot peened nickel based superalloy
title_sort High temperature corrosion-fatigue behavior of a shot peened nickel based superalloy
author_id_str_mv 3f1f78a1118c31035a204713226971d1
c951e311ac85396c2bb8ed4153b19fde
a146c6d442cb2c466d096179f9ac97ca
998ffd9fa65fa0c2ffc718a5bff10cdd
3453423659f6bcfddcd0a716c6b0e36a
author_id_fullname_str_mv 3f1f78a1118c31035a204713226971d1_***_Yong Li
c951e311ac85396c2bb8ed4153b19fde_***_Hollie Cockings
a146c6d442cb2c466d096179f9ac97ca_***_Mark Whittaker
998ffd9fa65fa0c2ffc718a5bff10cdd_***_Ben Cockings
3453423659f6bcfddcd0a716c6b0e36a_***_Martin Bache
author Yong Li
Hollie Cockings
Mark Whittaker
Ben Cockings
Martin Bache
author2 Yong Li
Hollie Cockings
P.M. Mignanelli
Mark Whittaker
Ben Cockings
R. Buckingham
Martin Bache
format Journal article
container_title Corrosion Science
container_volume 207
container_start_page 110577
publishDate 2022
institution Swansea University
issn 0010-938X
doi_str_mv 10.1016/j.corsci.2022.110577
publisher Elsevier BV
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 0
active_str 0
description As turbine entry temperatures (TET) in modern gas turbine engines continue to increase, Type II hot corrosion has the potential to be a significant damage mechanism at turbine disk rims as temperatures approach 700°C. Therefore, assessment of the effect of hot corrosion damage is essential. In the current research, low cycle corrosion-fatigue behavior of a newly developed polycrystalline nickel superalloy was investigated. The testing programme involved consideration of the variations in fatigue life brought about by changes in surface condition when tested at 700°C in a representative service environment. The high temperature corrosion-fatigue resistance behavior is compared with a previous generation alloy, and detailed fractography to identify the mechanisms of fatigue crack initiation is discussed. High temperature corrosion-fatigue behavior is also correlated to the shot peened work hardened layer.
published_date 2022-10-01T04:19:18Z
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score 11.036815

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