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Volume 15
Issue 11
10.3390/met15111274
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

The Low-Cycle Fatigue Performance of Emerging Titanium Alloys for Aeroengine Applications

by
Peter Davies
1,*,
Sean John
1,
Helen Davies
1,
Martin Bache
1,
Kate Fox
2,
Christopher Collins
2,
Nigel Martin
2 and
Rebecca Sandala
2
1
Institute of Structural Materials, Swansea University, Bay Campus, Fabian Way, Crymlyn Burrows, Swansea SA1 8EN, UK
2
Rolls-Royce plc, P.O. Box 31, Derby DE24 8BJ, UK
*
Author to whom correspondence should be addressed.
Metals 2025, 15(11), 1274; https://doi.org/10.3390/met15111274 (registering DOI)
Submission received: 11 July 2025 / Revised: 14 November 2025 / Accepted: 15 November 2025 / Published: 20 November 2025
Versions Notes

Abstract

The low-cycle fatigue behavior of three titanium alloys (including two wrought alloys that are commercially available and one under development via a powder sintering technique) is described in order to assess the relative capabilities of a fourth, novel proprietary alloy, designated as RR11. Despite relatively increased levels of beta stabilization, each alloy remains within the general alpha–beta microstructural category and could be considered as an engineering alternative to the well-established Ti-6Al-4V. The relationships between fatigue behavior, microstructure, grain morphology, micro-texture, and alloy chemistry are explored. Emphasis is placed upon the potential cold dwell fatigue sensitivity of the four alternative alloys, which is particularly pertinent since it was recognized that Ti-6Al-4V can suffer from cold dwell-related behavior subject to selected thermo-mechanical processing.
Keywords: titanium alloys; low-cycle fatigue; dwell fatigue; micro-textured regions; microstructure titanium alloys; low-cycle fatigue; dwell fatigue; micro-textured regions; microstructure

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MDPI and ACS Style

Davies, P.; John, S.; Davies, H.; Bache, M.; Fox, K.; Collins, C.; Martin, N.; Sandala, R. The Low-Cycle Fatigue Performance of Emerging Titanium Alloys for Aeroengine Applications. Metals 2025, 15, 1274. https://doi.org/10.3390/met15111274

AMA Style

Davies P, John S, Davies H, Bache M, Fox K, Collins C, Martin N, Sandala R. The Low-Cycle Fatigue Performance of Emerging Titanium Alloys for Aeroengine Applications. Metals. 2025; 15(11):1274. https://doi.org/10.3390/met15111274

Chicago/Turabian Style

Davies, Peter, Sean John, Helen Davies, Martin Bache, Kate Fox, Christopher Collins, Nigel Martin, and Rebecca Sandala. 2025. "The Low-Cycle Fatigue Performance of Emerging Titanium Alloys for Aeroengine Applications" Metals 15, no. 11: 1274. https://doi.org/10.3390/met15111274

APA Style

Davies, P., John, S., Davies, H., Bache, M., Fox, K., Collins, C., Martin, N., & Sandala, R. (2025). The Low-Cycle Fatigue Performance of Emerging Titanium Alloys for Aeroengine Applications. Metals, 15(11), 1274. https://doi.org/10.3390/met15111274

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