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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F10%3APU87350%21RIV11-GA0-26220___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
Electro-ultrasonic spectroscopy is based on interaction of two signals. Electric AC signal with frequency fE and ultrasonic signal with frequency fU. The ultrasonic signal changes the resistance deltaR of the measured sample by frequency of ultrasonic excitation fU. Defects in the material are causes of larger resistance changes deltaR in comparison to a material without defects for the same amplitude of ultrasonic signal. We have tried applying electroultrasonic spectroscopy on rock sample of granite. The paper presents some results of this new method for the non-destructive testing of conducting and resistive material which was granite sample in our case. The non-linear electro-ultrasonic spectroscopy offers higher sensitivity and wider range of application than common ultrasonic testing method which has many problems. Electro-ultrasonic spectroscopy is based on interaction of two signals. Electric AC signal with frequency fE and ultrasonic signal with frequency fU. The ultrasonic signal changes the resistance deltaR of the measured sample by frequency of ultrasonic excitation fU. Defects in the material are causes of larger resistance changes deltaR in comparison to a material without defects for the same amplitude of ultrasonic signal. We have tried applying electroultrasonic spectroscopy on rock sample of granite. The paper presents some results of this new method for the non-destructive testing of conducting and resistive material which was granite sample in our case. The non-linear electro-ultrasonic spectroscopy offers higher sensitivity and wider range of application than common ultrasonic testing method which has many problems.
dcterms:title
GRANITE SAMPLE AND ELECTRO-ULTRASONIC SPECTROSCOPY GRANITE SAMPLE AND ELECTRO-ULTRASONIC SPECTROSCOPY
skos:prefLabel
GRANITE SAMPLE AND ELECTRO-ULTRASONIC SPECTROSCOPY GRANITE SAMPLE AND ELECTRO-ULTRASONIC SPECTROSCOPY
skos:notation
RIV/00216305:26220/10:PU87350!RIV11-GA0-26220___
n3:aktivita
n5:P
n3:aktivity
P(GD102/09/H074)
n3:dodaniDat
n13:2011
n3:domaciTvurceVysledku
n18:5802407 n18:6209947
n3:druhVysledku
n7:D
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
260961
n3:idVysledku
RIV/00216305:26220/10:PU87350
n3:jazykVysledku
n8:eng
n3:klicovaSlova
electro-ultrasonic, granite sample, non-destructive testing
n3:klicoveSlovo
n10:non-destructive%20testing n10:electro-ultrasonic n10:granite%20sample
n3:kontrolniKodProRIV
[A9184C3A12FB]
n3:mistoKonaniAkce
FEKT VUT v Brně
n3:mistoVydani
Brno
n3:nazevZdroje
STUDENT EEICT 2010
n3:obor
n9:BE
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n11:GD102%2F09%2FH074
n3:rokUplatneniVysledku
n13:2010
n3:tvurceVysledku
Chvátal, Miloš Tofel, Pavel
n3:typAkce
n19:CST
n3:zahajeniAkce
2010-04-29+02:00
s:numberOfPages
5
n21:hasPublisher
Neuveden
n12:isbn
978-80-214-4079-1
n15:organizacniJednotka
26220