On the detection of acoustic and electromagnetic signals before fracture of dielectric crystalline materials

The acoustic and electromagnetic emission detected during the uniaxial compression and before the catastrophic failure of dielectric crystalline materials is investigated in this letter. In particular, an appropriate experimental and measuring setup has been developed and used to simultaneously dete...

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Bibliographic Details
Published in:IEEE geoscience and remote sensing letters 2004-07, Vol.1 (3), p.162-165
Main Authors: Ninos, D., Tombras, G.S., Mavromatou, C., Hadjicontis, V.
Format: Article
Language:English
Subjects:
Acoustic emission
Acoustic measurements
Acoustic pulses
Acoustic signal detection
Acoustics
Compressing
Crystal structure
Crystalline materials
Dielectric measurements
Dielectrics
Electromagnetic measurements
Emission analysis
Emittance
Monitors
Particle measurements
Pulse measurements
Time measurement
Time series
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Summary:The acoustic and electromagnetic emission detected during the uniaxial compression and before the catastrophic failure of dielectric crystalline materials is investigated in this letter. In particular, an appropriate experimental and measuring setup has been developed and used to simultaneously detect and monitor in both large and small scale the time series of acoustic and electromagnetic pulses emitted during deformation of a compressed LiF crystal sample, allowing a plausible mechanism of their origin to be suggested.
ISSN:1545-598X
1558-0571
DOI:10.1109/LGRS.2004.828912