The proceedings of the JSME annual meeting
Online ISSN : 2433-1325
2002.2
Conference information
Development of Thermal Barrier Coatings for 1700℃-class Gas Turbine
Tohru HISAMATSU, Akito NITTA, Taiji TORIGOE, Tsuneji KAMEDA, Hideyuki ARIKAWA, Masato NAKAYAMA
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Keywords: Thermal Barrier Coating, Top-coat, Sintering, Stabilizer Material, Plasma Spray, EB-PVD
CONFERENCE PROCEEDINGS RESTRICTED ACCESS

Pages 217-218

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Abstract

Thermal barrier coatings (TBC) for a 1700℃-class advanced closed-cycle gas turbine system are studied, aiming at the surface temperature of higher than 1300℃ and the allowable temperature-difference of higher than 350℃. As a result of the studies, it is showed that following processes are effective to improve the durability of TBC, i ) increasing the purity of raw powder for top-coat, ii ) using ZrO_2-Er_2O_3 as top-coat material, iii ) shaping top-coat in columnar structure by EB-PVD.

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© 2002 The Japan Society of Mechanical Engineers
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