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Fatigue assessment of Ti-45Al-2Mn-2NbXD sub-element specimens
Yong Li,
M. Dixon,
J. Ortiz,
M.R. Bache,
Martin Bache
Intermetallics, Volume: 80, Pages: 33 - 39
Swansea University Author: Martin Bache
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DOI (Published version): 10.1016/j.intermet.2016.10.002
Abstract
A novel test technique is described for the sub-element fatigue assessment of dovetail geometric features commonly employed as a fixture for blade/disc assemblies in steam and gas turbines. Once developed, the test method was employed to assess the performance of a model dovetail geometry employing...
| Published in: | Intermetallics |
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| ISSN: | 0966-9795 |
| Published: |
2017
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa30941 |
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| Abstract: |
A novel test technique is described for the sub-element fatigue assessment of dovetail geometric features commonly employed as a fixture for blade/disc assemblies in steam and gas turbines. Once developed, the test method was employed to assess the performance of a model dovetail geometry employing the gamma titanium aluminide Ti-45Al-2Mn-2NbXD. In addition to generating information describing fatigue crack initiation, crack growth and ultimate failure, essentially via a trans-lamellar failure process, the associated wear processes were also characterised. |
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| College: |
Faculty of Science and Engineering |
| Start Page: |
33 |
| End Page: |
39 |