Paper Title:
Analysis of Explosion Combustion Phenomenon with Ammonium Nitrate
  Abstract

In this study, an explosion combustion phenomenon of ammonium nitrate (ρ=1.7kg/cm3) was used instead of the explosive PETN and the ultra-high-speed destruction phenomenon of aluminum cylinder was analyzed. The mix powder obtained by mixing aluminum powder (ρ=2.7kg/cm3) and ammonium nitrate was used instead of the explosive PETN, and an explosive combustion phenomenon was generated using copper wire explosion by high-voltage capacitor bank (40kV, 12.5 /F). Ammonium nitrate and aluminum powder are kneaded in a combination ratio of 5 : 1 in mass. An aluminum cylinder was destroyed by the phenomenon. The experiments were conducted using various diameters of ammonium nitrate particle and the photographs of the phenomenon were taken by the high-speed camera (IMACON468) and the high-speed video camera (HPV-1). The fragments of aluminum cylinder were collected and their dimensions were measured. The explosion phenomenon and fragments were compared with the result by explosive PETN. This paper presents these experiments and analysis result. And, hydro codes have been applied to simulate the deformation behavior of the aluminum cylinder.

  Info
Periodical
Edited by
S. Itoh and K. Hokamoto
Pages
213-218
DOI
10.4028/www.scientific.net/MSF.566.213
Citation
S. Kimura, H. Hata, T. Hiroe, K. Fujiwara, H. Kusano, "Analysis of Explosion Combustion Phenomenon with Ammonium Nitrate", Materials Science Forum, Vol. 566, pp. 213-218, 2008
Online since
November 2007
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