Thermal barrier coating system having improved adhesion

Details Thermal barrier coating system having improved adhesion Thermal barrier coating system having improved adhesion

1981-01-28

1982-06-15

Lusignan, Michael R.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428633, 428678, 427 34, 427405, 4274192, 427423, B32B 1504, B21D 3900

Patent

active

043351905

ABSTRACT:
This invention is directed to an improved thermal barrier system by improving the adherence between a ceramic thermal barrier coating and a metal bond coating. First a primer film is deposited on the bond coat by ion sputtering a ceramic film thereon. A ceramic thermal barrier coating is then plasma-sprayed onto this primer film. This improves the integrity and strength of the interface between the plasma-sprayed ceramic layer and metallic bond coat which insures stronger adherence between the metal and the ceramic.

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patent: 3192892 (1965-07-01), Hanson et al.
patent: 3287243 (1966-11-01), Ligenza
patent: 3927223 (1975-12-01), Takabatake et al.
patent: 3976809 (1976-08-01), Dowell
patent: 3977660 (1976-08-01), Nakahira
patent: 3989872 (1976-11-01), Ball
patent: 4055705 (1977-10-01), Stecura et al.
patent: 4248940 (1981-02-01), Goward et al.
patent: 4273824 (1981-06-01), McComas et al.

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