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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F09%3APU81549%21RIV10-MSM-26220___
rdf:type
n13:Vysledek skos:Concept
dcterms:description
The ultrasonic signal is widely used in non-destructive spectroscopy. The paper presents the new method of the non-destructive testing of resistives materials. The non-linear elec-tro-ultrasonic spectroscopy is new method which has higher sensitivity and range of using than common ultrasonic testing method which has many problems. This non-destructive method consists of two signals. The electric ac signal with frequency fE and the ultrasonic signal with frequency fU. The ultrasonic signal changes the resistance ?R of the measured sample by frequency of ultrasonic excitation fU. Defects in the material are causer larger changes resistance ?R then in the material without defects for the same amplitude of ultra-sonic signal. The ultrasonic signal is widely used in non-destructive spectroscopy. The paper presents the new method of the non-destructive testing of resistives materials. The non-linear elec-tro-ultrasonic spectroscopy is new method which has higher sensitivity and range of using than common ultrasonic testing method which has many problems. This non-destructive method consists of two signals. The electric ac signal with frequency fE and the ultrasonic signal with frequency fU. The ultrasonic signal changes the resistance ?R of the measured sample by frequency of ultrasonic excitation fU. Defects in the material are causer larger changes resistance ?R then in the material without defects for the same amplitude of ultra-sonic signal.
dcterms:title
ELECTRO-ULTRASONIC SPECTROSCOPY FOR TESTING QUALITY OF RESISTIVES MATERIALS ELECTRO-ULTRASONIC SPECTROSCOPY FOR TESTING QUALITY OF RESISTIVES MATERIALS
skos:prefLabel
ELECTRO-ULTRASONIC SPECTROSCOPY FOR TESTING QUALITY OF RESISTIVES MATERIALS ELECTRO-ULTRASONIC SPECTROSCOPY FOR TESTING QUALITY OF RESISTIVES MATERIALS
skos:notation
RIV/00216305:26220/09:PU81549!RIV10-MSM-26220___
n3:aktivita
n11:P n11:Z
n3:aktivity
P(GD102/09/H074), Z(MSM0021630503)
n3:dodaniDat
n17:2010
n3:domaciTvurceVysledku
n15:9770690 n15:5802407
n3:druhVysledku
n4:D
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
312918
n3:idVysledku
RIV/00216305:26220/09:PU81549
n3:jazykVysledku
n21:eng
n3:klicovaSlova
electro-ultrasonic, resistive materials, varistors, testing
n3:klicoveSlovo
n6:resistive%20materials n6:varistors n6:electro-ultrasonic n6:testing
n3:kontrolniKodProRIV
[86ACA4D79FB7]
n3:mistoKonaniAkce
FEKT VUT v Brně
n3:mistoVydani
Neuveden
n3:nazevZdroje
Student EEICT 2009
n3:obor
n14:BE
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n22:GD102%2F09%2FH074
n3:rokUplatneniVysledku
n17:2009
n3:tvurceVysledku
Šikula, Josef Tofel, Pavel
n3:typAkce
n19:CST
n3:zahajeniAkce
2009-04-23+02:00
n3:zamer
n12:MSM0021630503
s:numberOfPages
5
n5:hasPublisher
Neuveden
n8:isbn
978-80-214-3870-5
n20:organizacniJednotka
26220