Article having an improved platinum-aluminum-hafnium...

Details Article having an improved platinum-aluminum-hafnium... Article having an improved platinum-aluminum-hafnium...

2005-08-23

2005-08-23

McNeil, Jennifer (Department: 1775)

Stock material or miscellaneous articles

All metal or with adjacent metals

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

C428S632000, C428S650000, C428S610000, C428S336000, C416S24100B

Reexamination Certificate

active

06933062

ABSTRACT:
An article protected by a protective coating has a substrate and a protective coating having an outer layer deposited upon the substrate surface and a diffusion zone formed by interdiffusion of the outer layer and the substrate. The protective coating includes platinum, aluminum, no more than about 2 weight percent hafnium, and substantially no silicon. The outer layer is substantially a single phase.

REFERENCES:
patent: 5658614 (1997-08-01), Basta et al.
patent: 5667663 (1997-09-01), Rickerby et al.
patent: 5716720 (1998-02-01), Murphy
patent: 5942337 (1999-08-01), Rickerby et al.
patent: 5989733 (1999-11-01), Warnes et al.
patent: 6066405 (2000-05-01), Schaeffer
patent: 6190471 (2001-02-01), Darolia et al.
patent: 6344282 (2002-02-01), Darolia et al.

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