Phase Transformation by the Oxidation of Air-passivated W and Mo Nanopowders Produced by an Electrical Explosion of Wires

Kwon Young-Soon; Kim Ji-Soon; A. Gromov Alexander; Hong Moon-Hee

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Phase Transformation by the Oxidation of Air-passivated W and Mo Nanopowders Produced by an Electrical Explosion of Wires KCI 등재

Kwon Young-Soon, Kim Ji-Soon, A. Gromov Alexander, Hong Moon-Hee

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URLhttps://db.koreascholar.com/Article/Detail/2349

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한국분말야금학회지 (Journal of Korean Powder Metallurgy Institute)

Vol. 11 No. 2 (2004.04)
pp.130-136

한국분말재료학회(구 한국분말야금학회) (Korean Powder Metallurgy Institute)

초록

The passivation and oxidation process of tungsten and molybdenum narlopowders, produced by electrical explosion of wires was studied by means of FE-SEM, XPS. XRD, TEM, DIA-TGA and sire distribution analysis. In addition, the phase transformation of W and Mo nanopowders under oxidation in air was investigated. A chemical process is suggested for the oxidation of W and Mo nano-particles after a comprehensive testing of passivated and oxidized powders.

키워드

tungsten and molybdenum nanopowders passivation oxidation and coatings

저자

Kwon Young-Soon
Kim Ji-Soon
A. Gromov Alexander
Hong Moon-Hee

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