About: ELECTRO-ULTRASONIC SPECTROSCOPY FOR TESTING QUALITY OF RESISTIVES MATERIALS

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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	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. (en)
Title	ELECTRO-ULTRASONIC SPECTROSCOPY FOR TESTING QUALITY OF RESISTIVES MATERIALS ELECTRO-ULTRASONIC SPECTROSCOPY FOR TESTING QUALITY OF RESISTIVES MATERIALS (en)
skos:prefLabel	ELECTRO-ULTRASONIC SPECTROSCOPY FOR TESTING QUALITY OF RESISTIVES MATERIALS ELECTRO-ULTRASONIC SPECTROSCOPY FOR TESTING QUALITY OF RESISTIVES MATERIALS (en)
skos:notation	RIV/00216305:26220/09:PU81549!RIV10-MSM-26220___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GD102/09/H074), Z(MSM0021630503)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Tofel, Pavel Šikula, Josef
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	312918
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/09:PU81549
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	electro-ultrasonic, resistive materials, varistors, testing (en)
http://linked.open.../riv/klicoveSlovo	testing varistors electro-ultrasonic resistive materials
http://linked.open...ontrolniKodProRIV	[86ACA4D79FB7]
http://linked.open...v/mistoKonaniAkce	FEKT VUT v Brně
http://linked.open...i/riv/mistoVydani	Neuveden
http://linked.open...i/riv/nazevZdroje	Student EEICT 2009
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	2009
http://linked.open...iv/tvurceVysledku	Tofel, Pavel Šikula, Josef
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2009-04-23 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Nové trendy v mikroelektronických systémech a nanotechnologiích (MIKROSYN)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	978-80-214-3870-5
http://localhost/t...ganizacniJednotka	26220

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