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The influence of phase angle, strain range and peak cycle temperature on the TMF crack initiation behaviour and damage mechanisms of the nickel-based superalloy, RR1000 / Jonathan Jones, Mark Whittaker, Robert Lancaster, Stephen Williams

International Journal of Fatigue, Volume: 98, Pages: 279 - 285

Swansea University Authors: Jonathan Jones, Mark Whittaker, Robert Lancaster

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Abstract

Thermo-mechanical fatigue (TMF) tests including 0°, 90°, -90°, 45° -135° and -180°, phasing (φ) between mechanical loading and temperature were undertaken on a polycrystalline nickel-based superalloy, RR1000. Mechanical loading was employed through strain control whilst 300-700 °C and 300-750°C ther...

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Published in: International Journal of Fatigue
ISSN: 0142-1123
Published: Elsevier BV 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa31841
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first_indexed 2017-02-01T14:46:29Z
last_indexed 2020-10-24T02:42:23Z
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spelling 2020-10-23T12:07:31.2559749 v2 31841 2017-02-01 The influence of phase angle, strain range and peak cycle temperature on the TMF crack initiation behaviour and damage mechanisms of the nickel-based superalloy, RR1000 bd50c45efec14ab64ff4c9e7d09a03bf Jonathan Jones Jonathan Jones true false a146c6d442cb2c466d096179f9ac97ca 0000-0002-5854-0726 Mark Whittaker Mark Whittaker true false e1a1b126acd3e4ff734691ec34967f29 0000-0002-1365-6944 Robert Lancaster Robert Lancaster true false 2017-02-01 MTLS Thermo-mechanical fatigue (TMF) tests including 0°, 90°, -90°, 45° -135° and -180°, phasing (φ) between mechanical loading and temperature were undertaken on a polycrystalline nickel-based superalloy, RR1000. Mechanical loading was employed through strain control whilst 300-700 °C and 300-750°C thermal cycles were achieved with induction heating and forced air cooling. Mechanical strain ranges from 0.7 to 1.4% were employed. Results show that, for the strain ranges tested, TMF life is significantly affected by the employed phase angle. Furthermore the strain range and peak cycle temperature used has a substantial influence on the significance of dominant damage mechanisms, and resultant life. Various metallographic examination techniques have outlined that the dominant damage mechanisms are creep deformation at higher temperatures and early cracking of oxide layers at lower temperatures. Journal Article International Journal of Fatigue 98 279 285 Elsevier BV 0142-1123 Phase Angle; Thermo-mechanical Fatigue; Superalloys 1 5 2017 2017-05-01 10.1016/j.ijfatigue.2017.01.036 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2020-10-23T12:07:31.2559749 2017-02-01T11:19:58.4494681 College of Engineering Engineering Jonathan Jones 1 Mark Whittaker 0000-0002-5854-0726 2 Robert Lancaster 0000-0002-1365-6944 3 Stephen Williams 4 0031841-01022017112114.pdf jones2017.pdf 2017-02-01T11:21:14.4070000 Output 1450811 application/pdf Accepted Manuscript true 2018-01-31T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND). true English
title The influence of phase angle, strain range and peak cycle temperature on the TMF crack initiation behaviour and damage mechanisms of the nickel-based superalloy, RR1000
spellingShingle The influence of phase angle, strain range and peak cycle temperature on the TMF crack initiation behaviour and damage mechanisms of the nickel-based superalloy, RR1000
Jonathan, Jones
Mark, Whittaker
Robert, Lancaster
title_short The influence of phase angle, strain range and peak cycle temperature on the TMF crack initiation behaviour and damage mechanisms of the nickel-based superalloy, RR1000
title_full The influence of phase angle, strain range and peak cycle temperature on the TMF crack initiation behaviour and damage mechanisms of the nickel-based superalloy, RR1000
title_fullStr The influence of phase angle, strain range and peak cycle temperature on the TMF crack initiation behaviour and damage mechanisms of the nickel-based superalloy, RR1000
title_full_unstemmed The influence of phase angle, strain range and peak cycle temperature on the TMF crack initiation behaviour and damage mechanisms of the nickel-based superalloy, RR1000
title_sort The influence of phase angle, strain range and peak cycle temperature on the TMF crack initiation behaviour and damage mechanisms of the nickel-based superalloy, RR1000
author_id_str_mv bd50c45efec14ab64ff4c9e7d09a03bf
a146c6d442cb2c466d096179f9ac97ca
e1a1b126acd3e4ff734691ec34967f29
author_id_fullname_str_mv bd50c45efec14ab64ff4c9e7d09a03bf_***_Jonathan, Jones
a146c6d442cb2c466d096179f9ac97ca_***_Mark, Whittaker
e1a1b126acd3e4ff734691ec34967f29_***_Robert, Lancaster
author Jonathan, Jones
Mark, Whittaker
Robert, Lancaster
author2 Jonathan Jones
Mark Whittaker
Robert Lancaster
Stephen Williams
format Journal article
container_title International Journal of Fatigue
container_volume 98
container_start_page 279
publishDate 2017
institution Swansea University
issn 0142-1123
doi_str_mv 10.1016/j.ijfatigue.2017.01.036
publisher Elsevier BV
college_str College of Engineering
hierarchytype
hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 1
active_str 0
description Thermo-mechanical fatigue (TMF) tests including 0°, 90°, -90°, 45° -135° and -180°, phasing (φ) between mechanical loading and temperature were undertaken on a polycrystalline nickel-based superalloy, RR1000. Mechanical loading was employed through strain control whilst 300-700 °C and 300-750°C thermal cycles were achieved with induction heating and forced air cooling. Mechanical strain ranges from 0.7 to 1.4% were employed. Results show that, for the strain ranges tested, TMF life is significantly affected by the employed phase angle. Furthermore the strain range and peak cycle temperature used has a substantial influence on the significance of dominant damage mechanisms, and resultant life. Various metallographic examination techniques have outlined that the dominant damage mechanisms are creep deformation at higher temperatures and early cracking of oxide layers at lower temperatures.
published_date 2017-05-01T03:51:50Z
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score 10.852036