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公开(公告)号：US20210162624A1
公开(公告)日：2021-06-03
申请号：US17174842
申请日：2021-02-12
Applicant: Raytheon Technologies Corporation
Inventor： Zhongfen Ding
Abstract: A repair process for an article such as an airfoil includes providing an article that has a substrate and a ceramic barrier coating disposed on the substrate, where the ceramic barrier coating has a damaged region, abrading the damaged region to provide dimple in the ceramic barrier coating, wherein a remaining region of the ceramic barrier coating adjacent the dimple remains intact, and depositing a patch of networked ceramic nanofibers in the dimple.
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