Measurement of metal vapor cooling speed during nanoparticle formation by pulsed wire discharge

来源期刊:中国有色金属学报(英文版)2009年增刊第1期

论文作者:Yuu SHIKODA Yoshinori TOKOI Koji SUWA Satoru ISHIHARA Tsuneo SUZUKI Tadachika NAKAYAMA Hisayuki SUEMATSU Koichi NIIHARA

文章页码:183 - 188

Key words:pulsed wire discharge; nano-sized powder; infrared thermometer

Abstract: Pulsed wire discharge(PWD) is one of nano-sized powder production methods. The object of this work is to study influence of the plasma/vapor/particle density using computer simulation and to establish temperature measurement method using a high-speed infrared thermometer in the PWD process. The temperature correction coefficient was obtained from geometric computer simulation results. Obtained correction coefficient was applied to the temperature measuring results. It was found from this result that obtained correction coefficient was appropriate. A temperature measurement method was established by using the high-speed infrared thermometer in PWD.

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