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Metal-ceramic turbine shroud and method of making the same

  • US 4,289,447 A
  • Filed: 10/12/1979
  • Issued: 09/15/1981
  • Est. Priority Date: 10/12/1979
  • Status: Expired due to Term
First Claim
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1. A turbine shroud structure of the type having a metal substrate and a ceramic sealing layer secured thereto, wherein the improvement comprises:

  • mechanical matrix bonding means disposed between said metal substrate and said ceramic sealing layer and bonding said ceramic sealing layer to said metal substrate with said ceramic sealing layer including an ordered pattern of very fine cracks which reduce the thermal stress in said ceramic sealing layer.

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