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한국분말야금학회지
(Journal of Korean Powder Metallurgy Institute)
Vol. 13 No. 3 (2006.06)
pp.205-210
pp.205-210
한국분말재료학회(구 한국분말야금학회)
(Korean Powder Metallurgy Institute)
초록
The effect of Cu content on hydrogen reduction behavior of ball-milled -CuO nanocomposite powders was investigated. Hydrogen reduction behavior and reduction percent() of nanopowders were characterized by thermogravimetry (TG) and hygrometry measurements. Activation energy for hydrogen reduction of nanopowders with different Cu content was calculated at each heating rate and reduction percent(). The activation energy for reduction of obtained in this study existed in the ranging from 129 to 139 kJ/mol, which was in accordance with the activation energy for powder reduction of conventional micron-sized
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