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서스펜션 플라즈마 용사를 이용한 이트리아 안정화 지르코니아(7.5 wt% Y2O3-ZrO2) 코팅 증착 및 특성Fabrication and Characteristics of Yttria-stabilized Zirconia (7.5 wt% Y2O3-ZrO2) Coating Deposited via Suspension Plasma Spray
- Other Titles
- Fabrication and Characteristics of Yttria-stabilized Zirconia (7.5 wt% Y2O3-ZrO2) Coating Deposited via Suspension Plasma Spray
- Issue Date
- 2013
- Publisher
- 한국분말야금학회
- Keywords
- Thermal barrier coatings; Yttria-stabilized zirconia(YSZ); Suspension plasma spray; Vertically-cracked structure; Planetary mill
- Citation
- 한국분말야금학회지, v.20, no.6, pp.445 - 452
- Indexed
- KCI
- Journal Title
- 한국분말야금학회지
- Volume
- 20
- Number
- 6
- Start Page
- 445
- End Page
- 452
- ISSN
- 1225-7591
- Abstract
- Yttria-stabilized zirconia (YSZ) coatings are fabricated via suspension plasma spray (SPS) for thermal barrier applications. Three different suspension sets are prepared by using a planetary mill as well as ball mill in order to examine the effect of starting suspension on the phase evolution and the microstructure of SPS prepared coatings. In the case of planetary-milled commercial YSZ powder, a deposited thick coating turns out to have a dense, vertically-cracked microstructure. In addition, a dense YSZ coating with fully developed phase can be obtained via suspension plasma spray with suspension from planetary-milled mixture of Y2O3 and ZrO2.
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