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Research on Application of Melt-Growth Composite Ceramics to Gas Turbines

[+] Author Affiliations
Kenji Fujiwara, Narihito Nakagawa, Kenji Kobayashi, Shinya Yokoi

Engineering Research Association for High Performance Gas Turbine, Nishitokyo, Tokyo, Japan

Tsutomu Kihara, Hideaki Takamatsu

New Energy and Industrial Technology Development Organization, Tokyo, Japan

Paper No. GT2003-38029, pp. 589-596; 8 pages
doi:10.1115/GT2003-38029
From:
  • ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference
  • Volume 1: Turbo Expo 2003
  • Atlanta, Georgia, USA, June 16–19, 2003
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-3684-3 | eISBN: 0-7918-3671-1
  • Copyright © 2003 by ASME

abstract

An unique ceramic material produced through unidirectional solidification with eutectic composition of two-phase oxides was introduced recently. This composite material has the microstructure of coupled networks of two single crystals interpenetrate each other without grain boundaries. Depending on this microstructure this material, called Melt Growth Composite (MGC), can sustain its room temperature strength up to 1,700 (near its melting point) and offer strong oxidization-resistant ability, making its characteristics quite ideal for the gas turbine application. Our research project on MGC started in 2001 with the objective of establishing component technologies for MGC application to the high temperature components of the gas turbine engine. This paper outlines the results of our research so far at the early stage of the project.

Copyright © 2003 by ASME

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