Volume 97, Number 3, February 2012
|Number of page(s)||5|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||06 February 2012|
Two different modes of wire explosion for nano-powder production
Department of Electrical Engineering, State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University - Beijing 100084, China
2 Department of Physics and Chemistry, College of Physics, North China University of Technology Beijing 100144, China
Accepted: 2 January 2012
Based on a Mach-Zehnder interferometer, we report on the first observation of two different modes of wire explosion for nanosized powder production in 5–30 kPa ambient gas, depending on the property of wire material. For wire material with relatively high resistivity, such as titanium, more than one vapor burst was observed. While for wire material with relatively low resistivity, such as copper, the whole wire would explode totally within one single vapor burst.
PACS: 52.80.Qj – Explosions; exploding wires / 52.70.Kz – Optical (ultraviolet, visible, infrared) measurements
© EPLA, 2012
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