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公开(公告)号：US3928026A
公开(公告)日：1975-12-23
申请号：US46918674
申请日：1974-05-13
Applicant: UNITED TECHNOLOGIES CORP
Inventor： HECHT RALPH J , GOWARD GEORGE W , ELAM RICHARD C
CPC classification number: C22C19/07 , C22C19/052 , C23C14/16 , C23C30/00 , Y10S428/926 , Y10T428/12493 , Y10T428/12861 , Y10T428/12931 , Y10T428/12986
Abstract: A highly ductile coating for the nickel- and cobalt-base superalloys having long term elevated temperature oxidationerosion and sulfidation resistance and diffusional stability consists essentially of, by weight, 11-48% Co, 10-40% Cr, 9-15% Al, 0.1-1.0% reactive metal selected from the group consisting of yttrium, scandium, thorium, lanthanum and the other rare earth elements, balance essentially Ni, the nickel content being at least about 15%.
Abstract translation: 具有长期高温氧化 - 侵蚀和耐硫化性和扩散稳定性的镍基和钴基超级合金的高韧性涂层基本上由重量计为11-48％Co，10-40％Cr，9-15％ Al，0.1-1.0％选自钇，钪，钍，镧和其他稀土元素的反应性金属，其余量基本上为Ni，镍含量为至少约15％。
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公开(公告)号：CA1068178A
公开(公告)日：1979-12-18
申请号：CA255381
申请日：1976-06-22
Applicant: UNITED TECHNOLOGIES CORP
Inventor： GOWARD GEORGE W , GREY DELTON A , KRUTENAT RICHARD C
IPC: C22C19/00 , B32B15/04 , C04B35/71 , C04B37/02 , C22C19/05 , C22C27/06 , C22C30/00 , C22C38/00 , C23C4/02 , C23C4/04 , C23C4/06 , C23C4/08 , C23C4/10 , C23C24/08 , C23C28/00 , C23C30/00 , C23D17/00 , F01D5/28 , F01D25/00 , F02C7/24
Abstract: THERMAL BARRIER COATING FOR NICKEL BASE SUPER ALLOYS Adherent, thermal shock-resistant protective coatings for nickel base super alloys are obtained by applying to the base metal a thin bond coat of an alloy of chromium, aluminum and yttrium with materials selected from the group consisting of iron, cobalt, nickel and nickel-cobalt and applying thereover a continuously graded mixture of this material with a zirconiabased ceramic, the concentration of zirconia-based ceramic increasing from the bond coat to the outer layer. The zirconia ceramic may be stabilized by the addition thereto of amounts of magnesium oxide or other materials.
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