나노세공 Zirconia의 합성 및 특성평가
(주)코리아스칼라
- 최초 등록일
- 2016.04.01
- 최종 저작일
- 2007.10
- 6페이지/ 어도비 PDF
- 가격 4,000원
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 14권 / 5호
ㆍ저자명 : 우승식, 김호건
영어 초록
Zirconia powders with nano size pores and high specific surface areas were synthesized via aqueous precipitation and hydrothermal synthetic method using and under pH=11 and ambient condition. By this reaction. zirconia hydrate was primarily synthesized and the obtained zirconia hydrate was heat treated hydrothermally using an autoclave at various temperatures under pH=11. X-ray diffraction, Scanning electron microscopy, Energy dispersive X-ray spectroscopy, FT-IR, Raman, Particle size analysis, DTA-TG, and BET techniques were used for the characterization of the powder. The synthesized zirconia showed an amorphous phase, however, the phase was transformed to the crystalline state during the hydrothermal process. The observed crystalline phase above was a mixed phase of monoclinic and tetragonal zirconia. By the BET analysis, it was found that the specific surface area was ranged in and the zirconia had the cylindrical shaped pores with average diameter of .
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