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- 유성구볼밀을 이용한 La2O3-Gd2O3-ZrO2 계 서스펜션준비와 서스펜션 플라즈마용사를 이용한 (La1-xGdx)2Zr2O7 코팅증착과 특성
- 권창섭, 이성민, 오윤석, 김형태, 장병국, 김성원
- Preparation of Suspension in La2O3-Gd2O3-ZrO2 System via Planetary Mill and Characteristics of (La1-xGdx)2Zr2O7 Coatings Fabricated via Suspension Plasma Spray
- Chang-Sup Kwon, Sung-Min Lee, Yoon-Suk Oh, Hyung-Tae Kim, Byung-Koog Jang, Seongwon Kim
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Journal of Korean Powder Metallurgy Institute 2013;20(6):453-459
DOI: https://doi.org/10.4150/KPMI.2013.20.6.453
1한국세라믹기술원 엔지니어링세라믹센터
2한국세라믹기술원 엔지니어링세라믹센터
3한국세라믹기술원 엔지니어링세라믹센터
4한국세라믹기술원 엔지니어링세라믹센터
5물질.재료연구기구 (NIMS) 선진고온재료유닛트
6한국세라믹기술원 엔지니어링세라믹센터
1Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology
2Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology
3Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology
4Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology
5High Temperature Materials Unit, National Institute for Materials Science
6Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology
2한국세라믹기술원 엔지니어링세라믹센터
3한국세라믹기술원 엔지니어링세라믹센터
4한국세라믹기술원 엔지니어링세라믹센터
5물질.재료연구기구 (NIMS) 선진고온재료유닛트
6한국세라믹기술원 엔지니어링세라믹센터
1Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology
2Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology
3Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology
4Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology
5High Temperature Materials Unit, National Institute for Materials Science
6Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology
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Abstract
Lanthanum/gadolinium zirconate coatings are deposited via suspension plasma spray with suspensions fabricated by a planetary mill and compared with hot-pressed samples via solid-state reaction. With increase in processing time of the planetary mill, the mean size and BET surface area change rapidly in the case of lanthanum oxide powder. By using suspensions of planetary-milled mixture between lanthanum or gadolinium oxide and nano zirconia, dense thick coatings with fully-developed pyrochlore phases are obtained. The possibilities of these SPS-prepared coatings for TBC application are also discussed.
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