Stop-off for diffusion coating
    1.
    发明授权
    Stop-off for diffusion coating 失效
    停止扩散涂层

    公开(公告)号:US06924038B1

    公开(公告)日:2005-08-02

    申请号:US09937545

    申请日:2000-03-28

    CPC分类号: C23C10/04 Y10T428/24802

    摘要: A mask suitable for protecting a portion of a substrate surface against diffusion coating of the substrate with a metal, which mask comprises a ceramic material comprising silica and an inert refractory diluent and a metal or metal alloy, wherein the metal or metal alloy is one which is reactive with silicon thereby minimising or preventing siliconisation of the substrate with silicon in the ceramic material under conditions of diffusion coating, and which is reactive with the metal being applied by diffusion coating thereby preventing diffusion coating of the portion of the substrate surface it is desired to protect.

    摘要翻译: 一种适用于保护基底表面的一部分以防止具有金属的基底的扩散涂层的掩模,该掩模包括包含二氧化硅和惰性耐火稀释剂和金属或金属合金的陶瓷材料,其中金属或金属合金是 与硅反应,从而在扩散涂层的条件下最小化或防止陶瓷材料中硅的硅化,并且与通过扩散涂层施加的金属反应,从而防止基板表面部分的扩散涂覆。 保护。