Effects of zirconium size on combustion characteristics of Zr/KP pyrotechnics

zhang qiang; kang xiaoli; luo jiangshan; tang yongjian; yi yong; li kai

Volume 23 Issue 07

Sep. 2012

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Abstract

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(07): 0-

shen yong-ming, zhang yao-fei, hou tian-jin, et al. Comparisons of temperature field and stress field between heat-capacity laser and solid steady state laser[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

zhang qiang, kang xiaoli, luo jiangshan, et al. Effects of zirconium size on combustion characteristics of Zr/KP pyrotechnics[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

zhang qiang, kang xiaoli, luo jiangshan, et al. Effects of zirconium size on combustion characteristics of Zr/KP pyrotechnics[J]. High Power Laser and Particle Beams, 2011, 23.

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Effects of zirconium size on combustion characteristics of Zr/KP pyrotechnics

1.
School of Material Science and Engineering,Southwest University of Science and Technology,Mianyang 621010,China;
2.
Research Center of Laser Fusion,CAEP,P.O.Box 919-987,Mianyang 621900,China

Publish Date: 2011-07-21

Abstract

Abstract

Aiming at solving the problem of low pumping efficiency of typical Zr/KClO4 pump source for pyrotechnically pumped laser, influence of particle size of Zr powders on the combustion property of Zr/KClO4 was investigated. It was indicated when the particle size of Zr powders decreased from 61.375 μm to 18.675 μm, the ignition temperatures of Zr/KClO4 dropped from 506.40 ℃ to 492.42 ℃, flash radiation lasting time shortened from 60 ms to 25 ms, peak flash intensities increased about 1 times.Spectral measurement showed the radiation spectra of Zr/KClO4 were continuous spectra with superposition of selective linear or band emissions of excited atoms or molecules. With the decrease of Zr particle, the emission of molecular ZrO strengthened, and radiation effi
- pyrotechnically pumped laser,
- zr powders,
- particle size,
- combustion property,
- radiation spectra

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