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Thermo-Mechanical Fatigue Crack Growth and Phase Angle Effects in Ti6246

Jennie Palmer, Jonathan Jones, Mark Whittaker Orcid Logo, Steve Williams

Materials, Volume: 15, Issue: 18, Start page: 6264

Swansea University Authors: Jennie Palmer, Mark Whittaker Orcid Logo

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DOI (Published version): 10.3390/ma15186264

Abstract

A bespoke TMF crack growth test set-up has been developed and validated for use throughout this study and the effects of phasing between mechanical loading and temperature have been investigated. The study shows that TMF cycles may show increased crack growth rate behaviour when compared to isotherm...

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Published in: Materials
ISSN: 1996-1944
Published: MDPI AG 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa61211
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first_indexed 2022-09-13T18:09:55Z
last_indexed 2023-01-13T19:21:50Z
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spelling 2022-09-13T19:50:41.3464212 v2 61211 2022-09-13 Thermo-Mechanical Fatigue Crack Growth and Phase Angle Effects in Ti6246 5166f9593b535516a7ddec185b9f2f15 Jennie Palmer Jennie Palmer true false a146c6d442cb2c466d096179f9ac97ca 0000-0002-5854-0726 Mark Whittaker Mark Whittaker true false 2022-09-13 FGSEN A bespoke TMF crack growth test set-up has been developed and validated for use throughout this study and the effects of phasing between mechanical loading and temperature have been investigated. The study shows that TMF cycles may show increased crack growth rate behaviour when compared to isothermal fatigue. The phase angle of the applied TMF cycle can also affect crack growth behaviour, with in-phase (IP) test conditions showing faster crack growth rates than out-of-phase (OP) test conditions. Propagating cracks interact with the microstructure of the material, in particular, the α/β interfaces within the prior beta grains and supporting fractography evidences subtle differences in fracture mechanisms as a result of phase angle. Journal Article Materials 15 18 6264 MDPI AG 1996-1944 titanium; TMF; transgranular crack growth; thermography; profilometry 9 9 2022 2022-09-09 10.3390/ma15186264 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University External research funder(s) paid the OA fee (includes OA grants disbursed by the Library) Thanks is given to EPSRC and Rolls-Royce plc. for the funding of the programme (EP/H022309/1). 2022-09-13T19:50:41.3464212 2022-09-13T19:06:50.1502820 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Jennie Palmer 1 Jonathan Jones 2 Mark Whittaker 0000-0002-5854-0726 3 Steve Williams 4 61211__25131__523e41e2d73346558598b9df36f1b9b0.pdf 61211_VoR.pdf 2022-09-13T19:10:37.9034199 Output 9903031 application/pdf Version of Record true © 2022 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 Thermo-Mechanical Fatigue Crack Growth and Phase Angle Effects in Ti6246
spellingShingle Thermo-Mechanical Fatigue Crack Growth and Phase Angle Effects in Ti6246
Jennie Palmer
Mark Whittaker
title_short Thermo-Mechanical Fatigue Crack Growth and Phase Angle Effects in Ti6246
title_full Thermo-Mechanical Fatigue Crack Growth and Phase Angle Effects in Ti6246
title_fullStr Thermo-Mechanical Fatigue Crack Growth and Phase Angle Effects in Ti6246
title_full_unstemmed Thermo-Mechanical Fatigue Crack Growth and Phase Angle Effects in Ti6246
title_sort Thermo-Mechanical Fatigue Crack Growth and Phase Angle Effects in Ti6246
author_id_str_mv 5166f9593b535516a7ddec185b9f2f15
a146c6d442cb2c466d096179f9ac97ca
author_id_fullname_str_mv 5166f9593b535516a7ddec185b9f2f15_***_Jennie Palmer
a146c6d442cb2c466d096179f9ac97ca_***_Mark Whittaker
author Jennie Palmer
Mark Whittaker
author2 Jennie Palmer
Jonathan Jones
Mark Whittaker
Steve Williams
format Journal article
container_title Materials
container_volume 15
container_issue 18
container_start_page 6264
publishDate 2022
institution Swansea University
issn 1996-1944
doi_str_mv 10.3390/ma15186264
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 A bespoke TMF crack growth test set-up has been developed and validated for use throughout this study and the effects of phasing between mechanical loading and temperature have been investigated. The study shows that TMF cycles may show increased crack growth rate behaviour when compared to isothermal fatigue. The phase angle of the applied TMF cycle can also affect crack growth behaviour, with in-phase (IP) test conditions showing faster crack growth rates than out-of-phase (OP) test conditions. Propagating cracks interact with the microstructure of the material, in particular, the α/β interfaces within the prior beta grains and supporting fractography evidences subtle differences in fracture mechanisms as a result of phase angle.
published_date 2022-09-09T04:12:11Z
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