Characterisation of Acoustic and Electromagnetic Emission Sources
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F03%3APU39312" target="_blank" >RIV/00216305:26220/03:PU39312 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Characterisation of Acoustic and Electromagnetic Emission Sources
Original language description
Cracks creation is accompanied by electric charge redistribution due to loosen chemical bonds. Electric charges on crack walls create a dipole momentum and crack wall vibrations produce time dependent electric and magnetic fields. An electric signal is induced on metal electrodes and after its analysis is carried out information on the crack wall movement can be obtained. For crack lengths below 1 mm the respective electrical signal has a frequency of over 2 MHz. In this paper the frequency analysi wasperformed in frequency band up to 5 MHz.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
JA - Electronics and optoelectronics
OECD FORD branch
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Result continuities
Project
<a href="/en/project/GA103%2F01%2F1058" target="_blank" >GA103/01/1058: Electromagnetic and acoustic emission in solids</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2003
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
NDT in Progress
ISBN
80-214-2475-3
ISSN
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e-ISSN
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Number of pages
8
Pages from-to
129-136
Publisher name
Brno University of Technology
Place of publication
Prague
Event location
Prague
Event date
Jun 10, 2003
Type of event by nationality
CST - Celostátní akce
UT code for WoS article
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