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Thermal barrier and overlay coating systems comprising composite metal/metal oxide bond coating layers

Patent ·
OSTI ID:874069

The present invention generally describes multilayer coating systems comprising a composite metal/metal oxide bond coat layer. The coating systems may be used in gas turbines.

Research Organization:
WESTINGHOUSE ELECTRIC CORP
DOE Contract Number:
AC05-95OR22242
Assignee:
Siemens Westinghouse Power Corporation (Orlando, FL)
Patent Number(s):
US 6306515
OSTI ID:
874069
Country of Publication:
United States
Language:
English

References (3)

The characteristics of alumina scales formed on HVOF-sprayed MCrAlY coatings journal October 1998
High-temperature nitridation of Ni-Cr alloys journal January 1996
Diffusion barrier coatings with active bonding, designed for gas turbine blades journal December 1994