Plasma blasting method
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United States of America Patent
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-
Apr 21, 1992
Grant Date -
N/A
app pub date -
Feb 26, 1991
filing date -
Apr 20, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blasting method which comprises delivering electrical energy at a rate of at least 100 megawatts per microsecond until a peak power of at least 3 gigawatts is reached across the gap of two poles of a coaxial electrode assembly immersed in an electrolyte within a confined area of a substance to be blasted. A dielectric break-down of the electrolyte in the confined area is produced resulting in the formation of plasma within the confined area which creates a pressure sufficient to blast the substance in the manner of a high explosive charge.
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