Embodiments of the present disclosure generally relate to protective coatings on an aerospace component and methods for depositing the protective coatings. The protective coating can be anti-coking coatings to reduce or suppress coke formation when the aerospace component is heated in the presence of a fuel. In one or more embodiments, a method for depositing the protective coating on an aerospace component includes exposing the aerospace component to a cleaning process to produce a cleaned surface on the aerospace component and sequentially exposing the aerospace component to a precursor and a reactant to form a protective coating on the cleaned surface of the aerospace component by an atomic layer deposition (ALD) process. The aerospace component can be one or more of a fuel nozzle, a combustor liner, a combustor shield, a heat exchanger, a fuel line, a fuel valve, or any combination thereof.

    本公开内容的实施方式大体涉及在航空部件上的保护涂层和用于沉积所述保护涂层的方法。所述保护涂层可以是防焦涂层,以减少或抑制在燃料存在下加热所述航空部件时的焦炭形成。在一个或多个实施方式中,一种用于在航空部件上沉积保护涂层的方法包括:将所述航空部件暴露于清洁工艺,以在所述航空部件上产生清洁表面;和将所述航空部件顺序地暴露于前驱物和反应物,以通过原子层沉积(ALD)工艺在所述航空部件的所述清洁表面上形成保护涂层。所述航空部件可以是燃料喷嘴、燃烧器衬里、燃烧器护罩、热交换器、燃料管线、燃料阀或它们的任何组合中的一者或多者。


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    Title :

    METHODS FOR DEPOSITING ANTI-COKING PROTECTIVE COATINGS ON AEROSPACE COMPONENTS


    Additional title:

    在航空部件上沉积防焦保护涂层的方法


    Contributors:

    Publication date :

    2022-01-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / B64G Raumfahrt , COSMONAUTICS



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