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    Thermal barrier coating protected by alumina and method for preparing same
    2.
    发明申请
    Thermal barrier coating protected by alumina and method for preparing same 失效
    由氧化铝保护的热障涂层及其制备方法

    公开(公告)号：US20050129862A1

    公开(公告)日：2005-06-16

    申请号：US10990542

    申请日：2004-11-18

    申请人： Bangalore Nagaraj ,  Brett Boutwell ,  Robert Baur

    发明人： Bangalore Nagaraj ,  Brett Boutwell ,  Robert Baur

    IPC分类号： C23C28/00 ,  C23C28/04 ,  F01D5/28 ,  F01D25/00 ,  F02C7/30 ,  B05D1/36 ,  C23C4/00

    CPC分类号： F01D25/007 ,  C23C4/073 ,  C23C4/134 ,  C23C28/321 ,  C23C28/3215 ,  C23C28/3455 ,  C23C28/36 ,  F01D5/288 ,  F02C7/30 ,  F05D2300/134 ,  Y10T428/12611 ,  Y10T428/12618 ,  Y10T428/12806 ,  Y10T428/24926 ,  Y10T428/265

    摘要： A thermal barrier coating for an underlying metal substrate of articles that operate at, or are exposed to, high temperatures, as well as being exposed to environmental contaminant compositions. This coating comprises an optional inner layer nearest to the underlying metal substrate comprising a non-alumina ceramic thermal barrier coating material in an amount up to 100%, and an outer layer having an exposed surface and comprising at least about 50% of a non-alumina ceramic thermal barrier coating material and alumina in an amount up to about 50% and sufficient to protect the thermal barrier coating at least partially against environmental contaminants that become deposited on the exposed surface. This coating can be used to provide a thermally protected article having a metal substrate and optionally a bond coat layer adjacent to and overlaying the metal substrate. The thermal barrier coating can be prepared by optionally forming the inner layer of the non-alumina ceramic thermal barrier coating material, and then codepositing the alumina and non-alumina ceramic thermal barrier coating material to form the outer layer.

    摘要翻译： 用于在高温下操作或暴露于高温以及暴露于环境污染物组合物的制品的基础金属基底的热障涂层。 该涂层包括最接近下面的金属基底的任选的内层，其包含至多100％的非氧化铝陶瓷热障涂层材料，外层具有暴露的表面，并且包含至少约50％ 氧化铝陶瓷热障涂层材料和氧化铝，其量高达约50％，并足以至少部分地防止热障涂层防止沉积在暴露表面上的环境污染物。 该涂层可用于提供具有金属基底和任选的与金属基底相邻并覆盖金属基底的粘合涂层的热保护制品。 可以通过任选地形成非氧化铝陶瓷热障涂层材料的内层，然后共沉积氧化铝和非氧化铝陶瓷热障涂层材料以形成外层，来制备热障涂层。

    THERMAL BARRIER COATING AND PROCESS THEREFOR
    4.
    发明申请
    THERMAL BARRIER COATING AND PROCESS THEREFOR 失效
    热障涂层及其工艺

    公开(公告)号：US20060280926A1

    公开(公告)日：2006-12-14

    申请号：US11160164

    申请日：2005-06-10

    申请人： Irene Spitsberg ,  Brett Boutwell ,  Robert Bruce ,  Curtis Johnson ,  Bangalore Nagaraj ,  William Walston

    发明人： Irene Spitsberg ,  Brett Boutwell ,  Robert Bruce ,  Curtis Johnson ,  Bangalore Nagaraj ,  William Walston

    IPC分类号： B32B3/26 ,  B32B3/06

    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。