Bond coats for turbine components and method of applying the sam

Details Bond coats for turbine components and method of applying the sam Bond coats for turbine components and method of applying the sam

1999-05-26

2000-05-09

Speer, Timothy

Stock material or miscellaneous articles

All metal or with adjacent metals

Having composition, density, or hardness gradient

428621, 428633, 428678, 420437, 420440, 420443, 420445, 416241R, B32B 900

Patent

active

060601744

ABSTRACT:
A substrate (12) such as a superalloy turbine component is coated with a basecoat (14) of the type MCrAlY which also contains boron, where the amount of boron in the basecoat is in a concentration gradient where more boron is present near the top (16) than the bottom (20) of the basecoat (14) and boron is present in an average amount of over 0.50 wt. % throughout the basecoat cross-section (14) of the composite (10).

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patent: 4321311 (1982-03-01), Strangman
patent: 5180285 (1993-01-01), Lau
patent: 5316866 (1994-05-01), Goldman et al.
patent: 5562998 (1996-10-01), Strangman
patent: 5683825 (1997-11-01), Bruce et al.
patent: 5712050 (1998-01-01), Goldman et al.
patent: 5952110 (1999-09-01), Schell et al.

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