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Science and Technology of Energetic Materials

Vol.66, No.5 (2005)Special Issue for ISEM 2005

Research paper

A study on expansion process in the copper pipe by the detonation of PETN using metal wire explosion
Masahiko Otsuka, Eiji Hida, Kenji Kurogi, and Shigeru Itoh
p.365-369

Abstract

The expansion process of copper pipes filled up with PETN has been investigated. A copper wire was exploded to initiate the PETN. In this investigation, the explosion power of copper wire and the expansion velocity of the copper pipes have been examined. The expansion of copper pipes was investigated in two sets. In one set of experiments, a metal wire was set at the central axis of a copper pipe (central initiation) and in the other set the wire was placed at 8 mm from the central axis of a copper pipe (eccentric initiation). In these results, the expansion velocity of the copper pipes using eccentric initiation was found to be higher than those of central initiation.

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Keywords

Initial detonation, Metal wire explosion, Optical observation

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