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Blade outer air seal

  • US 8,303,247 B2
  • Filed: 11/27/2007
  • Issued: 11/06/2012
  • Est. Priority Date: 09/06/2007
  • Status: Expired due to Fees
First Claim
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1. A turbine engine blade outer air seal segment comprising:

  • a body having;

    a base portion having;

    a transversely concave inner diameter (ID) face;

    a forward end;

    an aft end; and

    first and second circumferential edges; and

    at least one mounting hook,wherein;

    the body comprises a metallic member and a pre-formed ceramic member;

    the ceramic member and metallic member are joined along the base portion with the ceramic member inboard of the metallic member; and

    the ceramic member and metallic member are so joined by a braze, the braze forming at least one projection interfitting with a complementary feature of the ceramic member.

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