About: Investigation of C/PPS Composites Degradation Process Using Acoustic Measurement

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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 article deals with assessment of fatigue degradation of C/PPS composites using simple acoustic measurement technique. Changes in natural frequency and attenuation decrement were chosen as indicators of fatigue damage accumulation in the studied composite material. New testing device was developed for acoustic measurement. The experimental setup was designed to chime the specimen by repeatable force of stiff striker exciting a specific natural mode of vibration and to record the acoustic response of the specimen to the impact simultaneously. From the power spectral density of the signal the natural frequency was obtained. Using the same signal, the attenuation decrement was estimated from regression of the its envelope. The article deals with assessment of fatigue degradation of C/PPS composites using simple acoustic measurement technique. Changes in natural frequency and attenuation decrement were chosen as indicators of fatigue damage accumulation in the studied composite material. New testing device was developed for acoustic measurement. The experimental setup was designed to chime the specimen by repeatable force of stiff striker exciting a specific natural mode of vibration and to record the acoustic response of the specimen to the impact simultaneously. From the power spectral density of the signal the natural frequency was obtained. Using the same signal, the attenuation decrement was estimated from regression of the its envelope. (en)
Title	Investigation of C/PPS Composites Degradation Process Using Acoustic Measurement Investigation of C/PPS Composites Degradation Process Using Acoustic Measurement (en)
skos:prefLabel	Investigation of C/PPS Composites Degradation Process Using Acoustic Measurement Investigation of C/PPS Composites Degradation Process Using Acoustic Measurement (en)
skos:notation	RIV/68378297:_____/11:00360106!RIV12-AV0-68378297
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(AV0Z20710524), Z(MSM6840770043)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Šperl, Martin
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	Ústav teoretické a aplikované mechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	205689
http://linked.open...ai/riv/idVysledku	RIV/68378297:_____/11:00360106
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	acoustic measurement; material degradation; natural frequency (en)
http://linked.open.../riv/klicoveSlovo	acoustic measurement material degradation natural frequency
http://linked.open...ontrolniKodProRIV	[4E3027C2BBBD]
http://linked.open...v/mistoKonaniAkce	Znojmo
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	EAN Proccedings
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Kytýř, D. Valach, J. Šperl, Martin Fíla, T.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2011-06-06 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Time dependent response of materials, systems and environments on natural and human actions Rozvoj metod návrhu a provozu dopravních sítí z hlediska jejich optimalizace
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Czech Society for Mechanics
https://schema.org/isbn	978-80-214-4275-7

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