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RESONANCE FORCED VIBRATION TECHNIQUE [1 record]

Record 1 2014-09-10

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Rheology
  • Strength of Materials
  • Plastic Materials
DEF

A technique for performing dynamic mechanical measurements in which the test specimen is oscillated mechanically at the natural resonant frequency of the system.

OBS

The amplitude of oscillation is maintained constant through the addition of make-up energy. Storage modulus is calculated from the measured frequency. Damping is calculated from the additional energy required to maintain constant-amplitude oscillation.

OBS

resonant forced vibration technique: term and definition standardized by the International Organization for Standardization (ISO).

Key term(s)
  • resonance forced vibration technique

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Rhéologie
  • Résistance des matériaux
  • Matières plastiques
DEF

Procédé permettant d'opérer des mesures mécaniques dynamiques en faisant osciller l'éprouvette à la fréquence propre du système.

OBS

L'amplitude d'oscillation est maintenue constante grâce à un apport continuel d'énergie. Cette fréquence propre permet de calculer le module de conservation, tandis que l'apport d'énergie permet de déterminer l'amortissement.

OBS

méthode à la résonance : terme et définition normalisés par l'Organisation internationale de normalisation (ISO).

PHR

Méthode à la résonance par oscillations entretenues.

Spanish

Campo(s) temático(s)
  • Medición y análisis (Ciencias)
  • Reología
  • Resistencia de los materiales
  • Materiales plásticos
DEF

Técnica para realizar mediciones mecánicas dinámicas en la cual el espécimen de ensayo se hace oscilar mecánicamente a la frecuencia natural resonante del sistema.

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