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High Cycle Fatigue and Range-Mean Performance of Emerging Titanium Alloys for Aeroengine Applications

Pete Davies, Sean John, Helen Davies Orcid Logo, Martin Bache, Kate Fox, Christopher Collins, Nigel Martin, Rebecca Sandala

Metals, Volume: 16, Issue: 6, Pages: 631 - 631

Swansea University Authors: Pete Davies, Sean John, Helen Davies Orcid Logo, Martin Bache

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DOI (Published version): 10.3390/met16060631

Abstract

Four alpha-beta titanium alloys, containing increased beta stabilising elements when compared to the well established Ti-6Al-4V, were previously characterised for their low cycle fatigue behaviour and resistance to cold dwell sensitivity. The same four alloys are now assessed for high cycle fatigue...

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Published in: Metals
ISSN: 2075-4701
Published: MDPI AG 2026
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URI: https://cronfa.swan.ac.uk/Record/cronfa72133
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last_indexed 2026-06-23T04:31:18Z
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spelling 2026-06-22T10:34:57.7021391 v2 72133 2026-06-22 High Cycle Fatigue and Range-Mean Performance of Emerging Titanium Alloys for Aeroengine Applications 38c85534a35a03aac99b687029078831 Pete Davies Pete Davies true false 8332e0e483d7926c508d9309553e3497 Sean John Sean John true false a5277aa17f0f10a481da9e9751ccaeef 0000-0003-4838-9572 Helen Davies Helen Davies true false 3453423659f6bcfddcd0a716c6b0e36a Martin Bache Martin Bache true false 2026-06-22 Four alpha-beta titanium alloys, containing increased beta stabilising elements when compared to the well established Ti-6Al-4V, were previously characterised for their low cycle fatigue behaviour and resistance to cold dwell sensitivity. The same four alloys are now assessed for high cycle fatigue performance, employing plain cylindrical and notched specimen geometries. Fatigue strength under load-controlled cycling was measured under two contrasting mean stress conditions, a fully reversed R = −1 waveform and a positive mean stress waveform of R = 0.3. The role of microstructure and micro-texture are considered to explain the relative high cycle fatigue behaviour of each alloy and in particular the mechanisms responsible for fatigue crack initiation. The data are subsequently employed to construct “safe stress” range-mean diagrams. Journal Article Metals 16 6 631 631 MDPI AG 2075-4701 titanium alloys; high cycle fatigue; notch fatigue; range-mean behaviour 8 6 2026 2026-06-08 10.3390/met16060631 COLLEGE NANME COLLEGE CODE Swansea University Other This research was conducted under the UK Aerospace Technology Institute (ATI) BETA project, application number: 10052028. 2026-06-22T10:34:57.7021391 2026-06-22T10:29:18.8392072 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Pete Davies 1 Sean John 2 Helen Davies 0000-0003-4838-9572 3 Martin Bache 4 Kate Fox 5 Christopher Collins 6 Nigel Martin 7 Rebecca Sandala 8 72133__37022__d4dc5cbbd8d748b3aca3fbd883f61517.pdf 72133.VOR.pdf 2026-06-22T10:32:19.2327205 Output 8568570 application/pdf Version of Record true © 2026 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license. true eng https://creativecommons.org/licenses/by/4.0/
title High Cycle Fatigue and Range-Mean Performance of Emerging Titanium Alloys for Aeroengine Applications
spellingShingle High Cycle Fatigue and Range-Mean Performance of Emerging Titanium Alloys for Aeroengine Applications
Pete Davies
Sean John
Helen Davies
Martin Bache
title_short High Cycle Fatigue and Range-Mean Performance of Emerging Titanium Alloys for Aeroengine Applications
title_full High Cycle Fatigue and Range-Mean Performance of Emerging Titanium Alloys for Aeroengine Applications
title_fullStr High Cycle Fatigue and Range-Mean Performance of Emerging Titanium Alloys for Aeroengine Applications
title_full_unstemmed High Cycle Fatigue and Range-Mean Performance of Emerging Titanium Alloys for Aeroengine Applications
title_sort High Cycle Fatigue and Range-Mean Performance of Emerging Titanium Alloys for Aeroengine Applications
author_id_str_mv 38c85534a35a03aac99b687029078831
8332e0e483d7926c508d9309553e3497
a5277aa17f0f10a481da9e9751ccaeef
3453423659f6bcfddcd0a716c6b0e36a
author_id_fullname_str_mv 38c85534a35a03aac99b687029078831_***_Pete Davies
8332e0e483d7926c508d9309553e3497_***_Sean John
a5277aa17f0f10a481da9e9751ccaeef_***_Helen Davies
3453423659f6bcfddcd0a716c6b0e36a_***_Martin Bache
author Pete Davies
Sean John
Helen Davies
Martin Bache
author2 Pete Davies
Sean John
Helen Davies
Martin Bache
Kate Fox
Christopher Collins
Nigel Martin
Rebecca Sandala
format Journal article
container_title Metals
container_volume 16
container_issue 6
container_start_page 631
publishDate 2026
institution Swansea University
issn 2075-4701
doi_str_mv 10.3390/met16060631
publisher MDPI AG
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
document_store_str 1
active_str 0
description Four alpha-beta titanium alloys, containing increased beta stabilising elements when compared to the well established Ti-6Al-4V, were previously characterised for their low cycle fatigue behaviour and resistance to cold dwell sensitivity. The same four alloys are now assessed for high cycle fatigue performance, employing plain cylindrical and notched specimen geometries. Fatigue strength under load-controlled cycling was measured under two contrasting mean stress conditions, a fully reversed R = −1 waveform and a positive mean stress waveform of R = 0.3. The role of microstructure and micro-texture are considered to explain the relative high cycle fatigue behaviour of each alloy and in particular the mechanisms responsible for fatigue crack initiation. The data are subsequently employed to construct “safe stress” range-mean diagrams.
published_date 2026-06-08T05:31:18Z
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