Journal article 396 views
An appraisal of dwell sensitive fatigue in Ti-6Al-4V and the governing role of inhomogeneous micro-texture
International Journal of Fatigue, Volume: 171, Start page: 107589
Swansea University Author: Helen Davies
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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...
Published in: | International Journal of Fatigue |
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ISSN: | 0142-1123 |
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Elsevier BV
2023
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URI: | https://cronfa.swan.ac.uk/Record/cronfa62788 |
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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 |
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|
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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 - 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 |
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0 |
active_str |
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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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1763709065975824384 |
score |
11.016235 |