INITIATION OF EXPLOSIVES BY EXPLODING WIRES. 4. EFFECT OF WIRE MATERIAL ON THE INITIATION OF PETN BY EXPLODING WIRES
NAVAL ORDNANCE LAB WHITE OAK MD
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Aluminum, gold, platinum, and tungsten wires were investigated to determine the effect of the wire material on the initiation of PETN by exploding wires. The wires were exploded by a one microfarad capacitor charged to 2000 volts. The results indicate that favorable wire materials are those into which energy is deposited at a rapid rate. They also have low boiling points and low heats of vaporization. Heat of oxidation of the wire material plays only a minor role. Different wire materials have different optimum lengths for effecting detonation.
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