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Topologically close-packed phase prediction in Ni-based superalloys: phenomenological structure maps and bond-order potential theory

Abstract:

Single crystal nickel-based superalloys are used in modern gas turbines because of their remarkable resistance to creep deformation at elevated temperatures, which is ensured by the addition of significant amounts of refractory elements. Too high concentrations of refractory elements can lead to the formation of topologically-close packed (TCP) phases during exposure to conditions of high temperature and stress which result in the degradation of the creep properties. The traditional method...

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Institution:
University of Oxford
Research group:
MML
Oxford college:
St Edmund Hall
Department:
Mathematical,Physical & Life Sciences Division - Materials

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Role:
Supervisor
Role:
Supervisor
Role:
Supervisor
Publication date:
2011
Type of award:
DPhil
Level of award:
Doctoral
URN:
uuid:4298ebde-4b32-4dcc-b294-649493f9146c
Local pid:
ora:6507

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