COATING STRUCTURE, TURBINE COMPONENT HAVING THE SAME, AND METHOD OF MANUFACTURING COATING STRUCTUR

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PROBLEM TO BE SOLVED : To provide a coating structure, a high-temperature component having the same, and a method of manufacturing the coating structure. SOLUTION : The coating structure is provided on a surface of a base part containing a ceramic matrix composite and includes : a bond coat layer laminated on the surface of the base part and formed of a rare earth silicate; and a top coat layer laminated on the bond coat layer. The residual stress of the bond coat layer is compressive residual stress. The bond coat layer may contain carbonitride particles or carbonitride whiskers. SELECTED DRAWING : Figure 3 COPYRIGHT : (C)2018, JPO&INPIT