Plastics - Determination of dynamic mechanical properties - Part 3: Flexural vibration - Resonance-curve method
This document 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.
| SDO | ISO: International Organization for Standardization |
| Document Number | ISO 6721 |
| Publication Date | Feb. 1, 2021 |
| Language | en - English |
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| Committee | ISO/TC 61/SC 5 |
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