기계적 분쇄방법을 통한 코팅용 알루미나 졸의 제조 및 평가

서지정보

ㆍ발행기관 : 한국재료학회 ㆍ수록지정보 : 한국재료학회지 / 18권 / 8호
ㆍ저자명 : 유정환, 정승화, 조범래, 홍경표, 문종수, 강종봉

영어 초록

Al2O3 sol with long-term stability was prepared by mechanical milling. Thin films were evaluated and created for use as coating materials. The particle size of the manufactured sol was 98 nm when 2 wt% of nitric acid was added. This indicates that the viscosity of the sol is 12 cps and that it has long-term stability. The thickness of the thin films, which varied from 100 nm to 500 nm, could be managed by adjusting the draw rate and the amount of an organic additive. A thin film heated to 500˚C indicated a hydrophilic property against water and excellent permeability against a visible ray.

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