NF EN ISO 899-2/A1
Plastics - Determination of creep behaviour - Part 2 : flexural creep by three-point loading - Amendment 1
Le présent document est une révision de l'Article A.2, Fluage à températures élevées, de l'Annexe A, Effets du vieillissement physique sur le fluage des polymères.
Le présent document est une révision de l'Article A.2, Fluage à températures élevées, de l'Annexe A, Effets du vieillissement physique sur le fluage des polymères.
This document specifies a method for determining the flexural creep of plastics in the form of standard test specimens under specified conditions such as those of pre-treatment, temperature and humidity. It is only applicable to a simple freely supported beam loaded at mid-span (three-point-loading test). The method is suitable for use with rigid and semi-rigid non-reinforced, filled and fibre-reinforced plastics materials (see ISO 472 for definitions) test specimens moulded directly or machined from sheets or moulded articles. NOTE The method can be unsuitable for certain fibre-reinforced materials due to differences in fibre orientation The method is intended to provide data for engineering-design, quality control, research and development purposes. The method might not be applicable for determining the flexural creep of rigid cellular plastics (attention is drawn in this respect to ISO 1209-1 and ISO 1209-2).
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