저온상변태법을 이용한 주석 및 산화주석 나노분말의 제조
Fabrication of Sn and SnO2 Nanopowders by Low-Temperature Phase Transformation Method
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Abstract
Through the volume change of Sn in a low-temperature phase transformation, the Sn nanopowder with high purity was fabricated by an economic and eco-friendly process. The fine cracks were spontaneously generated in Sn ingot, which was reduced to powders in the repetition of phase transformation. The Sn nanopowder with 50 nm in size was obtained by the 24th repetitions of phase transformation by low-temperature and ultrasonic treatments. Also, the SnO2 powder was fabricated by the oxidation of the produced Sn powder to the ingot and milled by the ultrasonic milling method. The SnO2 nanopowder of 20 nm in size was fabricated after the milling for 180 h.
참고문헌 (3)
- "국내특허출원 2001-0059401" (2001)
- "PCT 국제특허출원, pct", kr02, pp.2002[DOI]
- "Powder Metallurgy Science", pp.69~ (1994)