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전기 폭발법에 의해 제조된 나노 구리 분말의 크기와 분포에 미치는 조업 가스의 영향 KCI 등재

Effect of Atmospheric Gas on the Size and Distribution of Cu Nano Powders Synthesized by Pulsed Wire Evaporation Method

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한국분말야금학회지 (Journal of Korean Powder Metallurgy Institute)
한국분말재료학회(구 한국분말야금학회) (Korean Powder Metallurgy Institute)
초록

The possibility to decrease agglomeration of Cu nano powders and their separation during pulsed wire evaporation (PWE) process was investigated by controlling the working gas system, i.e., the design of the gas path, the type and pressure of the atmospheric gas. As a result, it was possible to choose the optimal design of the gas path providing large specific surface area and high degree of separation of the synthesized Cu nano powders. It was also shown that an Ar+10∼50 mixture can be used in production of Cu nano powders, which do not react with nitrogen.

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