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An appraisal of dwell sensitive fatigue in Ti-6Al-4V and the governing role of inhomogeneous micro-texture

J. Li, Helen Davies Orcid Logo, K. Fox, M. Mulyadi, M.G. Glavicic, M.R. Bache

International Journal of Fatigue, Volume: 171, Start page: 107589

Swansea University Author: Helen Davies Orcid Logo

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DOI (Published version): 10.1016/j.ijfatigue.2023.107589

Abstract

The fact that the α/β titanium alloy Ti-6Al-4V is sensitive to cold dwell loading regimes has recently been endorsed by a combination of evidence gathered from fatigue studies performed on laboratory scale specimens and the findings of a failure investigation into an in-service fan disc failure. Thi...

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Published in: International Journal of Fatigue
ISSN: 0142-1123
Published: Elsevier BV 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa62788
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first_indexed 2023-03-06T08:52:03Z
last_indexed 2023-03-10T04:14:27Z
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spelling v2 62788 2023-03-06 An appraisal of dwell sensitive fatigue in Ti-6Al-4V and the governing role of inhomogeneous micro-texture a5277aa17f0f10a481da9e9751ccaeef 0000-0003-4838-9572 Helen Davies Helen Davies true false 2023-03-06 MTLS The fact that the α/β titanium alloy Ti-6Al-4V is sensitive to cold dwell loading regimes has recently been endorsed by a combination of evidence gathered from fatigue studies performed on laboratory scale specimens and the findings of a failure investigation into an in-service fan disc failure. This work confirms that Ti-6Al-4V can demonstrate dwell characteristics under fatigue loading, subject to the microstructure and micro-texture developed during thermo-mechanical processing. Additional fatigue data are presented to support this conclusion, together with detailed metallographic and crystallographic characterisation to identify the factors controlling inhomogeneous strength, stress distribution and the crack initiation process on the micro to macro scale. Journal Article International Journal of Fatigue 171 107589 Elsevier BV 0142-1123 1 6 2023 2023-06-01 10.1016/j.ijfatigue.2023.107589 http://dx.doi.org/10.1016/j.ijfatigue.2023.107589 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University United States Air Force Materials Affordability Initiative PW-24, contract FA8650-20-2-5224 2023-04-20T16:20:39.5648029 2023-03-06T08:45:55.0612567 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering J. Li 1 Helen Davies 0000-0003-4838-9572 2 K. Fox 3 M. Mulyadi 4 M.G. Glavicic 5 M.R. Bache 6 Under embargo Under embargo 2023-03-06T15:24:17.8106913 Output 1829107 application/pdf Accepted Manuscript true 2024-02-23T00:00:00.0000000 false eng
title An appraisal of dwell sensitive fatigue in Ti-6Al-4V and the governing role of inhomogeneous micro-texture
spellingShingle An appraisal of dwell sensitive fatigue in Ti-6Al-4V and the governing role of inhomogeneous micro-texture
Helen Davies
title_short An appraisal of dwell sensitive fatigue in Ti-6Al-4V and the governing role of inhomogeneous micro-texture
title_full An appraisal of dwell sensitive fatigue in Ti-6Al-4V and the governing role of inhomogeneous micro-texture
title_fullStr An appraisal of dwell sensitive fatigue in Ti-6Al-4V and the governing role of inhomogeneous micro-texture
title_full_unstemmed An appraisal of dwell sensitive fatigue in Ti-6Al-4V and the governing role of inhomogeneous micro-texture
title_sort An appraisal of dwell sensitive fatigue in Ti-6Al-4V and the governing role of inhomogeneous micro-texture
author_id_str_mv a5277aa17f0f10a481da9e9751ccaeef
author_id_fullname_str_mv a5277aa17f0f10a481da9e9751ccaeef_***_Helen Davies
author Helen Davies
author2 J. Li
Helen Davies
K. Fox
M. Mulyadi
M.G. Glavicic
M.R. Bache
format Journal article
container_title International Journal of Fatigue
container_volume 171
container_start_page 107589
publishDate 2023
institution Swansea University
issn 0142-1123
doi_str_mv 10.1016/j.ijfatigue.2023.107589
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 - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
url http://dx.doi.org/10.1016/j.ijfatigue.2023.107589
document_store_str 0
active_str 0
description The fact that the α/β titanium alloy Ti-6Al-4V is sensitive to cold dwell loading regimes has recently been endorsed by a combination of evidence gathered from fatigue studies performed on laboratory scale specimens and the findings of a failure investigation into an in-service fan disc failure. This work confirms that Ti-6Al-4V can demonstrate dwell characteristics under fatigue loading, subject to the microstructure and micro-texture developed during thermo-mechanical processing. Additional fatigue data are presented to support this conclusion, together with detailed metallographic and crystallographic characterisation to identify the factors controlling inhomogeneous strength, stress distribution and the crack initiation process on the micro to macro scale.
published_date 2023-06-01T16:20:37Z
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score 11.011512

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