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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F02%3APU31494%21RIV%2F2003%2FMSM%2F262203%2FN
rdf:type
n5:Vysledek skos:Concept
dcterms:description
Cracks creation was studied by simultaneous measurement of electromagnetic (EME) and acoustic (AE) emission signals. This method can improve localisation of the crack position, cracks plane orientation and its dimension. On the faces of new created crack electric charges constitute electric dipole system and due to crack walls vibration an EME signal is detected with frequency 1-10MHz corresponding to crack length 0.1 to 1 mm. The second source of EME signal is later activated due to whole sample mechannical vibrations with a frequency given by sample boundary conditions in the range 50-500kHz. Cracks creation was studied by simultaneous measurement of electromagnetic (EME) and acoustic (AE) emission signals. This method can improve localisation of the crack position, cracks plane orientation and its dimension. On the faces of new created crack electric charges constitute electric dipole system and due to crack walls vibration an EME signal is detected with frequency 1-10MHz corresponding to crack length 0.1 to 1 mm. The second source of EME signal is later activated due to whole sample mechannical vibrations with a frequency given by sample boundary conditions in the range 50-500kHz.
dcterms:title
Crack`s Wall Vibration Kinetics Determined by Electromagnetic Emission Crack`s Wall Vibration Kinetics Determined by Electromagnetic Emission
skos:prefLabel
Crack`s Wall Vibration Kinetics Determined by Electromagnetic Emission Crack`s Wall Vibration Kinetics Determined by Electromagnetic Emission
skos:notation
RIV/00216305:26220/02:PU31494!RIV/2003/MSM/262203/N
n3:strany
234-234
n3:aktivita
n18:Z
n3:aktivity
Z(MSM 262200022)
n3:dodaniDat
n4:2003
n3:domaciTvurceVysledku
n14:1629786 n14:7526938
n3:druhVysledku
n13:D
n3:duvernostUdaju
n21:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
641877
n3:idVysledku
RIV/00216305:26220/02:PU31494
n3:jazykVysledku
n10:eng
n3:klicovaSlova
crack, noise spectroscopy, spectral density
n3:klicoveSlovo
n17:crack n17:noise%20spectroscopy n17:spectral%20density
n3:kontrolniKodProRIV
[210923C88A80]
n3:mistoKonaniAkce
Barcelona
n3:mistoVydani
LEGANES MADRID
n3:nazevZdroje
8th ECNDT Barcelona - Abstracts Book
n3:obor
n15:JA
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:rokUplatneniVysledku
n4:2002
n3:tvurceVysledku
Pavelka, Jan Majzner, Jiří
n3:typAkce
n12:WRD
n3:zahajeniAkce
2002-06-17+02:00
n3:zamer
n9:MSM%20262200022
s:numberOfPages
1
n20:hasPublisher
Spanich Society for NDT AEND
n6:isbn
84-699-8573-6
n11:organizacniJednotka
26220