METHOD FOR IMPROVING OXIDATION AND SPALLING RESISTANCE OF DIFFUSION ALUMINIDE COATINGS - Patent 0804625

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EP 0 804 625 A1

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(43)	Date of publication:
	05.11.1997 Bulletin 1997/45

(21)	Application number: 95918905.0

(22)	Date of filing: 05.05.1995

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International Patent Classification (IPC):

F01D 5/ 28^{( . )}
C23C 10/ 50^{( . )}
C23C 14/ 58^{( . )}

C22C 19/ 05^{( . )}
C23C 14/ 16^{( . )}
F02C 7/ 00^{( . )}

(86)	International application number:
	PCT/US1995/005429

(87)	International publication number:
	WO 1995/030779 (16.11.1995 Gazette 1995/49)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

10.05.1994 US 19940241310

(71)	Applicant: UNITED TECHNOLOGIES CORPORATION
	Hartford, CT 06101 (US)

(72)	Inventors:
	KHAN, Abdus S. Palm Beach Gardens, FL 33410 (US) FENTON, Richard J. Piermont, NY 10968-1057 (US) MURPHY, Kenneth S. Muskegon, MI 49441 (US)

(74)	Representative: Leckey, David Herbert, et al
	Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)

(54)	METHOD FOR IMPROVING OXIDATION AND SPALLING RESISTANCE OF DIFFUSION ALUMINIDE COATINGS