Plastics. Determination of dynamic mechanical properties - Flexural vibration. Resonance-curve method
Plastics. Determination of dynamic mechanical properties - Flexural vibration. Resonance-curve method
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1 Scope This part of ISO 6721 specifies a bending-vibration method based upon resonance curves for determining the flexural complex modulus E f * of homogeneous plastics and the damping properties of laminated plastics intended for acoustic insulation, for example systems consisting of a metal sheet coated with a damping plastic layer, or sandwich systems consisting of two sheet-metal layers with an intermediate plastic layer. For many purposes, it is useful to determine these properties as a function of temperature and frequency.
Mentioned in the description and other BS standards
