Title:
コーティングを有する超合金物品
Document Type and Number:
Japanese Patent JP2011512454
Kind Code:
A
Abstract:
Coated superalloy article includes a bond coat comprising an inner bond coat layer disposed on the first surface being formed by deposition of a bond coat composition comprising, in weight percent, 14-20% Cr, 5-8% Al, 8-12% Co, 3-7% Ta, 0.1-0.6% Hf, 0.1-0.5% Y, up to about 1% Si, 0.005-0.020% Zr, 0.04-0.08% C, 0.01-0.02% B, with a remainder including nickel (Ni) and incidental impurities, wherein the bond coating composition is substantially free of rhenium. An aluminum-containing layer overlies the inner bond coat layer. Optionally, a thermal barrier coating overlies the aluminum-containing layer, wherein the thermal barrier coating, if present, is formed by deposition of a thermal barrier coating composition.
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Inventors:
Nagaraji, Bengaluru Aswasa
Wortman, david john
Paulie, Nicole Marie
Connor, William Bryan
Rothsdale, Ustman
Wortman, david john
Paulie, Nicole Marie
Connor, William Bryan
Rothsdale, Ustman
Application Number:
JP2010540757A
Publication Date:
April 21, 2011
Filing Date:
December 11, 2008
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
C23C28/00; C22C19/05; C23C4/06; C23C4/10; C23C10/28; C23C10/48; C23C14/06; F01D5/28; F02C7/00; F23R3/42
Domestic Patent References:
| JPH05132751A | 1993-05-28 | |||
| JPH05195188A | 1993-08-03 | |||
| JP2004332061A | 2004-11-25 | |||
| JP2007154314A | 2007-06-21 | |||
| JPH11172463A | 1999-06-29 | |||
| JP2007262447A | 2007-10-11 |
Attorney, Agent or Firm:
Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa
Hirokazu Ogura
Toshihisa Kurokawa