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Thesis

Multiscale modelling of sintering in thermal barrier coatings

Abstract:

Multiscale (analytical and computational) models have been developed based on a thermodynamic variational principle (TVP) to model sintering and eventual mudcracking in thermal barrier coatings (TBCs) made using the electron beam physical vapour deposition (EB-PVD) process. It is assumed that the sintering occurs by interfacial diffusion at local contacts between columns and driven by changes in interface free energy and elastic stored energy of the coating. The models link diffusional pro...

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Institution:
University of Oxford
Research group:
Solid Mechanics and Materials Engineering
Oxford college:
Linacre College
Department:
Mathematical,Physical & Life Sciences Division

Contributors

Role:
Supervisor
Publication date:
2010
Type of award:
DPhil
Level of award:
Doctoral
URN:
uuid:a8075c89-8417-4e3e-8af5-d07cc786f509
Local pid:
ora:6051

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