IONIZATION EXPANSION OF COMPACTED SILICA AND THE THEORY OF RADIATION- INDUCED DILATATIONS IN VITREOUS SILICA

Journal Article · Mon Jan 20 04:00:00 EST 1964 · Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D

DOI:https://doi.org/10.1103/PhysRev.133.A531· OSTI ID:4152676

Primak, W; Edwards, E; Keiffer, D; Szymanski, H

Vitreous silica compacted by pressure at room temperature expands at a very rapid rate when irradiated with soft x rays or in a reactor, about in the ratio of the ionization doses received. A dose approximates 1/ 10/sup 22/ ev/cm/ sup 3/of absorbed ionization energy caused the release of about 1/3 of the compaction. It is shown that the effect cannot be explained as a static electrostatic effect or a transient general thermal annealing effect. It must be a rapid transient effect associated with the local distortion or energy deposition of the ionization event. The efficiency of the process indicates that each ionization in moderately pressure-compacted silica must be effective or multiply-effective in releasing compaction. The relation of the compacted states of silica-pressure compacted, radiation compacted, shock wave compacted---is discussed. (auth)

• Research Organization: Argonne National Lab., Ill.
• NSA Number: NSA-18-005834
• OSTI ID: 4152676
• Journal Information: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 133; ISSN PHRVA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ABSORPTION
ANNEALING
COMPACTING
ELECTROSTATICS
EXPANSION
GLASS
IONIZATION
IRRADIATION
METALS, CERAMICS, AND OTHER MATERIALS
PRESSURE
RADIATION DOSES
RADIATION EFFECTS
SHOCK WAVES
SILICON OXIDES
TEMPERATURE