(57) [Abstract] OBJECTIVE: To be able to effectively suppress the thermal deformation due to temperature difference between the inside and the outside of the tubular body such as a turbine shroud, And an object thereof is to provide a tubular FGM material capable of improving the durability and performance. By arranging the metal outside diameter to win the ceramics to the inner diameter portion of the [configuration] turbine shroud (cylindrical body), By utilizing the difference in thermal expansion between the ceramic and metal as well as reduce the thermal deformation of the turbine shroud, by the FGM tissue between ceramics and metals, are well bonded to both materials.
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