Second discharge characteristics of aluminum wire electrical explosion under various argon pressures

Yan Wenyu; Zhang Qiaogen; Zhao Junping; Liu Longchen

doi:10.3788/HPLPB201426.025002

Volume 26 Issue 02

Jan. 2014

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Article Navigation > High Power Laser and Particle Beams > 2014 > 26(02): 025002

Zhang Ying, Pang Beibei, Xi Zhiguo, et al. Design of a in-situ stress loading system used for residual stress neutron diffractometer[J]. High Power Laser and Particle Beams, 2013, 25: 2865-2868. doi: 10.3788/HPLPB20132511.2865

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Yan Wenyu, Zhang Qiaogen, Zhao Junping, et al. Second discharge characteristics of aluminum wire electrical explosion under various argon pressures[J]. High Power Laser and Particle Beams, 2014, 26: 025002. doi: 10.3788/HPLPB201426.025002

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Second discharge characteristics of aluminum wire electrical explosion under various argon pressures

doi: 10.3788/HPLPB201426.025002

1.
School of Electrical Engineering,Xi’an Jiaotong University,Xi’an 710049,China

Received Date: 2013-06-26
Rev Recd Date: 2013-11-06
Publish Date: 2014-02-15

Abstract

Abstract

The second discharge characteristics of aluminum wire electrical explosion under various argon pressures were studied in a RLC discharge circuit. The results show that the curve of second discharge voltages by exploding aluminum wire presents a U-shape as the pressure changes. The spectrometer and high speed framing camera were used to study the radiation spectrum and spatial distribution of the electrical explosion plasma to clarify the roles of aluminum vapor and argon in the process of second discharge. It is found that argon participates in discharge process with the discharge channel along the surface of aluminum vapor at lower pressure, while the second discharge happens in aluminum vapor with the discharge channel inside aluminum vapor under higher pressure.
- electrical explosion,
- nanopowder,
- second discharge,
- pressure,
- spectrum,
- framing photograph

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