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    Thermal barrier coating and process therefor
    3.
    发明授权
    Thermal barrier coating and process therefor 失效
    热障涂层及其工艺

    公开(公告)号：US07597966B2

    公开(公告)日：2009-10-06

    申请号：US11160164

    申请日：2005-06-10

    申请人： Irene Spitsberg ,  Brett Allen Rohrer Boutwell ,  Robert William Bruce ,  Curtis Alan Johnson ,  Bangalore Aswatha Nagaraj ,  William Scott Walston

    发明人： Irene Spitsberg ,  Brett Allen Rohrer Boutwell ,  Robert William Bruce ,  Curtis Alan Johnson ,  Bangalore Aswatha Nagaraj ,  William Scott Walston

    IPC分类号： B32B9/00

    CPC分类号： C23C28/321 ,  C23C28/3215 ,  C23C28/325 ,  C23C28/345 ,  C23C28/3455 ,  Y10T428/249953 ,  Y10T428/249955

    摘要： A thermal barrier coating and deposition process for a component intended for use in a hostile thermal environment, such as the turbine, combustor and augmentor components of a gas turbine engine. The TBC has a first coating portion on at least a first surface portion of the component. The first coating portion is formed of a ceramic material to have at least an inner region, at least an outer region overlying the inner region, and a columnar microstructure whereby the inner and outer regions comprise columns of the ceramic material. The columns of the inner region are more closely spaced than the columns of the outer region so that the inner region of the first coating portion is denser than the outer region of the first coating portion, wherein the higher density of the inner region promotes the impact resistance of the first coating portion.

    摘要翻译： 用于在敌对热环境中使用的部件的热障涂层和沉积工艺，例如燃气轮机的涡轮机，燃烧器和增压器部件。 所述TBC在所述部件的至少第一表面部分上具有第一涂覆部分。 第一涂覆部分由陶瓷材料形成，至少具有内部区域，至少覆盖内部区域的外部区域和柱状微结构，由此内部和外部区域包括陶瓷材料的列。 内部区域的列与外部区域的列紧密地间隔开，使得第一涂覆部分的内部区域比第一涂覆部分的外部区域更致密，其中内部区域的较高密度促进了冲击 第一涂布部分的电阻。