Protective layer

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B - Operations, Transporting

32

B

117/157

B32B 15/00 (2006.01) C23C 4/10 (2006.01) C23C 28/00 (2006.01) F01D 5/28 (2006.01)

Patent

CA 1145626

ABSTRACT This invention relates to means for protecting substrates and in particular Ni- and Co-base superalloys from high temperatures, for example temperatures such as typically occur in gas turbine engines. In more detail an article suitable for use all elevated temperature (up to 1600°C and beyond) comprises a metallic substrate on which is deposited a first coating or layer comprising one or more of the platinum group metals or an alloy including one or more of the platinum group metals on which is deposited a second coating or layer comprising a thermal barrier layer.

344818

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