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유성구볼밀을 이용한 La2O3-Gd2O3-ZrO2 계 서스펜션준비와 서스펜션 플라즈마용사를 이용한 (La1-xGdx)2Zr2O7 코팅증착과 특성 KCI 등재
Preparation of Suspension in La2O3-Gd2O3-ZrO2 System via Planetary Mill and Characteristics of (La1-xGdx)2Zr2O7 Coatings Fabricated via Suspension Plasma Spray
pp.453-459
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.
