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The effect of phase angle on crack growth mechanisms under thermo-mechanical fatigue loading

Jones, J.; Whittaker, M.; Lancaster, R.; Hyde, C.; Rouse, J.; Engel, B.; Pattison, S.; Stekovic, S.; Jackson, C.; Li, H. Y.

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Authors

J. Jones

M. Whittaker

R. Lancaster

JAMES ROUSE JAMES.ROUSE@NOTTINGHAM.AC.UK
Assistant Professor

B. Engel

S. Pattison

S. Stekovic

C. Jackson

H. Y. Li



Abstract

© 2020 Elsevier Ltd The current paper describes TMF crack growth behaviour in an advanced nickel-based superalloy. Changes in behaviour are examined which occur as a function of the phase angle between applied stress and temperature. The fractography of the failed specimens reveals changes from transgranular to intergranular growth between high and low phase angle tests as a result of the onset of high temperature damage mechanisms. More targeted testing has also been undertaken to isolate the contributions of these mechanisms, with specific transitions in behaviour becoming clear in 90° diamond cycles, where dynamic crack growth and oxidation strongly interact.

Citation

Jones, J., Whittaker, M., Lancaster, R., Hyde, C., Rouse, J., Engel, B., …Li, H. Y. (2020). The effect of phase angle on crack growth mechanisms under thermo-mechanical fatigue loading. International Journal of Fatigue, 135, Article 105539. https://doi.org/10.1016/j.ijfatigue.2020.105539

Journal Article Type Article
Acceptance Date Feb 11, 2020
Online Publication Date Feb 16, 2020
Publication Date 2020-06
Deposit Date Mar 10, 2020
Publicly Available Date Mar 29, 2024
Journal International Journal of Fatigue
Print ISSN 0142-1123
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 135
Article Number 105539
DOI https://doi.org/10.1016/j.ijfatigue.2020.105539
Keywords Mechanical Engineering; Modelling and Simulation; Industrial and Manufacturing Engineering; General Materials Science; Mechanics of Materials
Public URL https://nottingham-repository.worktribe.com/output/3974475
Publisher URL https://www.sciencedirect.com/science/article/pii/S0142112320300700

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