Article ID Journal Published Year Pages File Type
5457729 Intermetallics 2017 7 Pages PDF
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.
Related Topics
Physical Sciences and Engineering Materials Science Metals and Alloys
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