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Description
  • Šířka rezonanční křivky je dána činitelem tlumení. Čím větší je činitel tlumení, tím je širší rezonanční křivka. Při vznikajících poruchách v materiálu roste činitel tlumení a tím i šířka rezonanční křivky. Zde se zabýváme šířkou rezonanční křivky u hořčíkových slitin při různé budící frekvenci ultrazvukového signálu. (cs)
  • We have tested samples from magnesium composites by nonlinear ultrasonic spectroscopy. The samples were fixed on ultrasonic actuator and sensor of acoustic emission by beeswax. The contact quality or defects in sample structure are changing the coefficient of vibration damping. The coefficient of vibration damping is given by width of resonance curve. If we damage the sample, the damping coefficient increases so that width of resonance curve increases too. On the other hand with higher defectiveness of the sample the higher harmonics components are increasing. In this paper, we are investigating the width of resonance curve for three samples from magnesium composite for different exciting frequencies.
  • We have tested samples from magnesium composites by nonlinear ultrasonic spectroscopy. The samples were fixed on ultrasonic actuator and sensor of acoustic emission by beeswax. The contact quality or defects in sample structure are changing the coefficient of vibration damping. The coefficient of vibration damping is given by width of resonance curve. If we damage the sample, the damping coefficient increases so that width of resonance curve increases too. On the other hand with higher defectiveness of the sample the higher harmonics components are increasing. In this paper, we are investigating the width of resonance curve for three samples from magnesium composite for different exciting frequencies. (en)
Title
  • NONLINEAR ULTRASONIC SPECTROSCOPY OF MAGNESIUM COMPOSITES
  • NONLINEAR ULTRASONIC SPECTROSCOPY OF MAGNESIUM COMPOSITES (en)
  • NELINEÁRNÍ ULTRAZVUKOVÁ SPEKTROSKOPIE NA HOŘČÍKOVÝCH SLITINÁCH (cs)
skos:prefLabel
  • NONLINEAR ULTRASONIC SPECTROSCOPY OF MAGNESIUM COMPOSITES
  • NONLINEAR ULTRASONIC SPECTROSCOPY OF MAGNESIUM COMPOSITES (en)
  • NELINEÁRNÍ ULTRAZVUKOVÁ SPEKTROSKOPIE NA HOŘČÍKOVÝCH SLITINÁCH (cs)
skos:notation
  • RIV/00216305:26220/07:PU70103!RIV08-GA0-26220___
http://linked.open.../vavai/riv/strany
  • 146-149
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA102/06/0866), Z(MSM0021630503)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 437537
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26220/07:PU70103
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • ultrasonic, magnesium composites, damping (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [10A9D2071B59]
http://linked.open...v/mistoKonaniAkce
  • Brno
http://linked.open...i/riv/mistoVydani
  • Brno, Czech Republic
http://linked.open...i/riv/nazevZdroje
  • NEW TRENDS IN PHYSICS 2007
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Tofel, Pavel
  • Trojanová, Zuzana
  • Šikula, Josef
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Ing. Zdeněk Novotný CSc.
https://schema.org/isbn
  • 978-80-7355-078-3
http://localhost/t...ganizacniJednotka
  • 26220
is http://linked.open...avai/riv/vysledek of
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