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Thermal barrier coating system for turbine components

  • US 6,670,046 B1
  • Filed: 08/31/2000
  • Issued: 12/30/2003
  • Est. Priority Date: 08/31/2000
  • Status: Active Grant
First Claim
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1. A thermal barrier coating system, comprising:

  • a metal substrate;

    a first composite ceramic-comprising thermal barrier coat over a first portion of the substrate capable of withstanding temperatures in excess of 1500°

    F.;

    a second ceramic-comprising thermal barrier coating over at least an edge portion of the substrate adjacent a periphery of the first composite thermal barrier coating and capable of withstand temperature in excess of 1500°

    F.; and

    wherein the first composite thermal barrier coating is embedded in a recessed portion of the metal substrate.

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