A Safe Use of Explosives by Parting into a Small Amount of Powder

Abstract:

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High explosives are useful material to generate great amount of energy in short time. Since controlling their releasing energy is hard, the use of explosive is limited to breaking and crushing the tough structures and processing of bulk materials. However, the reduction of mass of the explosive powders in a process and the arrangement of pellets with constant intervals provide us the safe handling, and then those lead the new utility of the explosion, while there are some difficulties encountered when a small amount of explosive powder is used, such as the initiation regularity of explosives and the protection of mechanical parts from impact damages. In this paper, the successive initiation of small explosive was tested by means of the wire explosion that is generated by the instant release of electric energy from high volt capacitors, and the successful results were obtained under the controlled condition. The damages of surrounding devices were avoided by using of the initiating head of the device that had small chamber isolated from the outer atmospheric environment.

Info:

Periodical:

Edited by:

S. Itoh and K. Hokamoto

Pages:

219-224

DOI:

10.4028/www.scientific.net/MSF.566.219

Citation:

M. Fujiwara et al., "A Safe Use of Explosives by Parting into a Small Amount of Powder", Materials Science Forum, Vol. 566, pp. 219-224, 2008

Online since:

November 2007

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Price:

$35.00

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