Reference number
ISO 6721-9:2019
International Standard
ISO 6721-9:2019
Plastics — Determination of dynamic mechanical properties — Part 9: Tensile vibration — Sonic-pulse propagation method
Edition 2
2019-04
Preview
ISO 6721-9:2019
74987
Indisponible en français
Publiée (Edition 2, 2019)
Cette publication a été révisée et confirmée pour la dernière fois en 2024. Cette édition reste donc d’actualité.

Résumé

This document describes a pulse propagation method for determining the storage component of the complex tensile modulus E' of polymers at discrete frequencies typically in the range 3 kHz to 10 kHz. The method is suitable for measuring materials with storage moduli in the range 0,01 GPa to 200 GPa and with loss factors below 0,1 at around 10 kHz. With materials having a higher loss, significant errors in velocity measurement are introduced through decay of amplitude.

The method allows measurements to be made on thin films or fine fibres and long specimens, typically tapes of 300 mm × 5 mm × 0,1 mm or fibres of 300 mm × 0,1 mm (diameter).

This method may not be suitable for cellular plastics, composite plastics and multilayer products.

Informations générales

  •  : Publiée
     : 2019-04
    : Norme internationale confirmée [90.93]
  •  : 2
  • ISO/TC 61/SC 5
    83.080.01 
  • RSS mises à jour

Vous avez une question?

Consulter notre Aide et assistance