Development of Ceramic Components for a Power Generating Gas Turbine PUBLIC ACCESS

[+] Author Affiliations
Y. Hara, T. Tsuchiya

Tokyo Electric Power Co., Inc., Tokyo, Japan

F. Maeda

Toshiba Corporation, Yokohama, Japan

I. Tsuji

Mitsubishi Heavy Industries, Ltd., Takasago, Japan

K. Wada

Hitachi, Ltd., Hitachi, Japan

Paper No. 91-GT-319, pp. V005T13A022; 9 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7902-3
  • Copyright © 1991 by ASME


Since 1984, TEPCO (Tokyo Electric Power Co., Inc.) has been conducting a cooperative research program to apply ceramics to power generating gas turbines with three Japanese gas turbine manufacturers (Toshiba Corporation, Mitsubishi Heavy Industries, Ltd., and Hitachi, Ltd.). The goal of the program is development of a 20MW class gas turbine with turbine inlet temperature of 1,300C (1,573K) to improve the efficiency of coal gasification combined cycle power generation.

Preliminary design of the gas turbine was conducted during 1984–1985 and basic design criteria, such as desired configuration and material properties, were established. Based on the results of the preliminary design, it was decided to apply ceramics to the liner and transition piece of the combustor, the 1st and 2nd stage nozzles and 1st stage rotor in a three stage turbine. As for the rotors, development efforts were also applied to thermal barrier coatings on conventional metal blades.

Parallel efforts have been conducted on the development of each ceramic component since 1986. This paper will review the design of ceramic components from structural and material standpoints, and present results obtained from tests conducted under various operational conditions.

Copyright © 1991 by ASME
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