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J. Korean Ceram. Soc. > Volume 43(8); 2006 > Article
Journal of the Korean Ceramic Society 2006;43(8): 498.
doi: https://doi.org/10.4191/kcers.2006.43.8.498
열차폐 코팅을 위한 지르코니아계 세라믹 소재의 기계적 특성
정규익, 김태우, 백문규1, 이기성
국민대학교 기계자동차공학부
1한양대학교 신소재공학과
Mechanical Properties of Zirconia-Based Ceramic Materials for Thermal Barrier Coating
Kyu-Ick Jung, Tae-Woo Kim, Ungyu Paik1, Kee-Sung Lee
School of Mechanical and Automotive Engineering, Kookmin University
1Division of Advanced Materials Science and Engineering, Hanyang University
A gas turbine blade with thermal barrier ceramic coating is operated at high temperature to increase engine efficiency. Recently, thermal barrier characteristics have been improved by advanced coating technology through microstructure control and increase of adhesion force of the coating layer. More advanced coating materials, rare earth zircon ate ceramics have been studied for replacing YSZ coatings as thermal barrier coatings. In this study, $La_2O_3,;HfO_2,;CeO_2,;Gd_2O_3$ and pure or yttria stabilized zirconia were prepared. Microstructure analysis and the evaluation of mechanical properties such as Hertzian indentation and hardness test were performed.
Key words: TBC, Coating, Zirconium, Zirconate, Indentation
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