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    Method for applying a thermal barrier coating
    5.
    发明公开
    Method for applying a thermal barrier coating 有权
    Verfahren zur Anwendung einerWärmedämmbeschichtung

    公开(公告)号：EP2365104A1

    公开(公告)日：2011-09-14

    申请号：EP11157146.9

    申请日：2011-03-07

    Applicant: United Technologies Corporation

    Inventor： Ridgeway, Neil B. ,  Litton, David A.

    IPC: C23C8/10 ,  C23C8/12 ,  C23C8/14 ,  C23C8/16 ,  C23C28/00 ,  C23C30/00

    CPC classification number: C23C28/00 ,  C23C8/10 ,  C23C8/12 ,  C23C8/14 ,  C23C8/16 ,  C23C30/00

    Abstract: A method and apparatus for forming thermally grown alpha alumina oxide scale on a substrate (14) is provided. The method includes the steps of: a) providing a heating chamber (16) having a heat source (32) and an oxidizing gas source (36) selectively operable to provide a stream of oxidizing gas; b) providing at least one substrate (14) disposed in the heating chamber (16), which substrate (14) has a composition sufficient to permit formation of an alpha alumina scale on one or more surfaces; c) maintaining a vacuum in the heating chamber (16) at a level that inhibits formation of one or more low temperature oxides on the one or more surfaces of the substrate; d) heating at least one of the one or more surfaces (12) of the substrate (14) to a predetermined temperature at or above 1800 degrees Fahrenheit; and e) directing the stream of oxidizing gas at a controlled rate toward one or more heated surfaces (12) of the substrate (14).

    Abstract translation: 提供了一种在衬底（14）上形成热生长的氧化铝氧化皮的方法和装置。 该方法包括以下步骤：a）提供具有热源（32）和氧化气体源（36）的加热室（16），该氧化气体源可选择地可操作以提供氧化气体流; b）提供设置在加热室（16）中的至少一个基底（14），该基底（14）具有足以允许在一个或多个表面上形成α氧化铝垢的组成; c）在所述加热室（16）中保持真空，所述真空度抑制在所述基板的所述一个或多个表面上形成一种或多种低温氧化物; d）将所述衬底（14）的所述一个或多个表面（12）中的至少一个加热至1800华氏度或以上的预定温度; 和e）以受控的速率将氧化气体流引向衬底（14）的一个或多个加热表面（12）。

    Article having thermal barrier coating
    6.
    发明公开
    Article having thermal barrier coating 审中-公开
    Artikel mitWärmegrenzbeschichtung

    公开(公告)号：EP2339051A1

    公开(公告)日：2011-06-29

    申请号：EP10251995.6

    申请日：2010-11-24

    Applicant: United Technologies Corporation

    Inventor： Neal, James W. ,  Maloney, Michael J. ,  Zimmerman, Benjamin Joseph ,  Masucci, Christopher ,  Litton, David A.

    IPC: C23C28/00 ,  C23C28/04

    Abstract: An article (20) includes a metallic substrate (24) and a tri-layer thermal barrier coating (22) that is deposited on the metallic substrate. The tri-layer thermal barrier coating includes an inner ceramic layer (28), an outermost ceramic layer (30) relative to the metallic substrate, and an intermediate ceramic layer (32) between the inner ceramic layer and the outermost ceramic layer. The inner ceramic layer (28) and the outermost ceramic layer (30) are composed of respective first and second ceramic materials and the intermediate ceramic layers (32) composed of a third, different ceramic material. The inner ceramic layer has a first thickness (28a), the outermost ceramic layer has a second thickness (30a), and the intermediate ceramic layer has a third thickness (32a) that is greater than the first thickness and the second thickness.

    Abstract translation: 物品（20）包括金属基底（24）和沉积在金属基底上的三层热障涂层（22）。 三层隔热涂层包括内部陶瓷层（28），相对于金属基底的最外层陶瓷层（30）和内部陶瓷层与最外层陶瓷层之间的中间陶瓷层（32）。 内部陶瓷层（28）和最外层陶瓷层（30）由各自的第一陶瓷材料和第二陶瓷材料构成，中间陶瓷层（32）由第三种不同的陶瓷材料构成。 内陶瓷层具有第一厚度（28a），最外层陶瓷层具有第二厚度（30a），中间陶瓷层具有大于第一厚度和第二厚度的第三厚度（32a）。

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