Stock material or miscellaneous articles – Composite – Of metal
Patent
1988-08-12
1993-11-16
Walsh, Donald P.
Stock material or miscellaneous articles
Composite
Of metal
4284722, 428938, 427532, 427585, B32B 1504
Patent
active
052622452
ABSTRACT:
An improved thermal barrier coating system is described. A key feature of the invention is the presence of a thin, adherent aluminum oxide scale on the surface of the substrate. An oxide stabilized ceramic coating is present on the surface of the scale. Preferably, the ceramic coating has a columnar grain structure.
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Anderson Neal P.
Ulion Nicholas E.
Jenkins Daniel
Rashid James M.
United Technologies Corporation
Walsh Donald P.
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