About: GRANITE SAMPLE AND ELECTRO-ULTRASONIC SPECTROSCOPY

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
Title	GRANITE SAMPLE AND ELECTRO-ULTRASONIC SPECTROSCOPY GRANITE SAMPLE AND ELECTRO-ULTRASONIC SPECTROSCOPY (en)
skos:prefLabel	GRANITE SAMPLE AND ELECTRO-ULTRASONIC SPECTROSCOPY GRANITE SAMPLE AND ELECTRO-ULTRASONIC SPECTROSCOPY (en)
skos:notation	RIV/00216305:26220/10:PU87350!RIV11-GA0-26220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GD102/09/H074)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Tofel, Pavel Chvátal, Miloš
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	260961
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/10:PU87350
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	electro-ultrasonic, granite sample, non-destructive testing (en)
http://linked.open.../riv/klicoveSlovo	non-destructive testing electro-ultrasonic granite sample
http://linked.open...ontrolniKodProRIV	[A9184C3A12FB]
http://linked.open...v/mistoKonaniAkce	FEKT VUT v Brně
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	STUDENT EEICT 2010
http://linked.open...in/vavai/riv/obor	BE
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Diagnostics of material defects using the latest defectoscopic methods
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Tofel, Pavel Chvátal, Miloš
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2010-04-29 (xsd:date)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	978-80-214-4079-1
http://localhost/t...ganizacniJednotka	26220

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