Catastrophic processes in dielectrics in irradiation by high-current electron beams

The results of the research in explosive decomposition of heavy metal azides initiated by electric (“streamer”) charges induced by high-current electron beam have been considered. A physical model for initiation of heavy metal azides explosive decomposition by electron beam has been suggested. The m...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2010-10, Vol.268 (19), p.3265-3268
Main Authors: Oleshko, V., Lisitsyna, L., Malys, D., Damamme, G., Lisitsyn, V.
Format: Article
Language:English
Subjects:
Condensing
Decomposition
Dielectrics
Electron beams
Explosions
Explosive forming
Explosive glow
Heavy metal azides
Heavy metals
High-current electron beam
Hot spots
Radiation-induced electrical breakdown
Ultrasound
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Summary:The results of the research in explosive decomposition of heavy metal azides initiated by electric (“streamer”) charges induced by high-current electron beam have been considered. A physical model for initiation of heavy metal azides explosive decomposition by electron beam has been suggested. The model suggests formation of strong electric field in the sample and its neutralization by ultrasound anode charges. The streamer front generates “hot spots” which start the formation of explosive decomposition sites in a condensed reactive material.
ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2010.05.106