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As-coated thermal barrier coating: structure and chemistry

Abstract:

A thermal barrier coating in the as-processed state is characterized using transmission electron microscopy and atom probe tomography. The structure of the thermally grown oxide correlates strongly with that of the bond coat with alternating regions of mixed alumina/zirconia in contact with γ′ and coarse-grained alumina in contact with γ. Significant Pt and Al diffusion fields are present in γ, but not in γ′. The mechanism by which the structure and chemistry evolves at the TGO/bond coat inte...

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Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
Journal:
SCRIPTA MATERIALIA
Volume:
67
Issue:
9
Pages:
779-782
Publication date:
2012-11-01
DOI:
ISSN:
1359-6462
Source identifiers:
369669
Language:
English
Keywords:
Pubs id:
pubs:369669
UUID:
uuid:24b5e3de-54a2-4ec3-89da-b216de5fc7a2
Local pid:
pubs:369669
Deposit date:
2013-11-16

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