发明名称 |
COATED SUPERALLOY ARTICLES |
摘要 |
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. |
申请公布号 |
WO2009082627(A3) |
申请公布日期 |
2010.04.15 |
申请号 |
WO2008US86353 |
申请日期 |
2008.12.11 |
申请人 |
GENERAL ELECTRIC COMPANY;NAGARAJ, BANGALORE, ASWATHA;WORTMAN, DAVID, JOHN;POLLEY, NICOLE, MARIE;CONNOR, WILLIAM, BRYAN;WUSTMAN, ROGER, DALE |
发明人 |
NAGARAJ, BANGALORE, ASWATHA;WORTMAN, DAVID, JOHN;POLLEY, NICOLE, MARIE;CONNOR, WILLIAM, BRYAN;WUSTMAN, ROGER, DALE |
分类号 |
C23C28/00;C22C19/05;C23C4/00;C23C4/08;C23C4/12;F01D5/28 |
主分类号 |
C23C28/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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