Article having durable ceramic coating with localized abradable portion
    1.
    发明授权
    Article having durable ceramic coating with localized abradable portion 有权
    具有耐磨陶瓷涂层,具有局部耐磨部分

    公开(公告)号:US06358002B1

    公开(公告)日:2002-03-19

    申请号:US09371250

    申请日:1999-08-10

    IPC分类号: F01D1100

    摘要: An air seal is illustrated as used in a gas turbine engine. The seal includes at least a seal substrate, a relatively dense, erosion resistant ceramic layer applied over the bond coat, and an abradable ceramic layer applied in a local area over the dense ceramic layer. The abradable ceramic interacts with a component moving relative to the seal, such as a turbine blade that moves relative to the seal, and cooperates with the moving component to provide sealing and thermal insulation.

    摘要翻译: 示出了在燃气涡轮发动机中使用的空气密封。 该密封件至少包括密封衬底,施加在粘合涂层上的相对致密的耐侵蚀陶瓷层,以及施加在致密陶瓷层上的局部区域中的可磨损陶瓷层。 可磨损陶瓷与相对于密封件移动的部件相互作用,例如相对于密封件移动的涡轮叶片,并与移动部件配合以提供密封和隔热。