NEN-EN-ISO 899-1:2001 Ontw. en

Kunststoffen - Bepaling van het kruipgedrag - Deel 1: Kruip onder trekspanning

  • Deze norm is ingetrokken sinds 01-07-2003

23,85 28,86 Incl BTW

Over deze norm

Status Ingetrokken
Aantal pagina's 14
Commissie Kunststoffen
Gepubliceerd op 01-05-2001
Taal Engels
This part of ISO 899 specifies a method for determining the tensile creep of plastics in the form of standard test specimens under specified conditions such as those of pretreatment, temperature and humidity. The method is suitable for use with rigid and semi-rigid non-reinforced, filled and fibre-reinforced plastics materials (see ISO 472 for definitions) in the form of dumb-bell-shaped test specimens moulded directly or machinedfrom sheets or moulded articles. The method is intended to p rovide that for engineering-design and research and development purposes. Dat for engineering-design purposes requires the use of extensometers to measure the gauge length of the specimen . Data for research or quality-control purposes may use the change in distance between the grips (nominal extension). Tensile creep may vary significantly with differences in specimen preparation and dimensions and in the test environment. The thermal history of the test specimen can also have profound effects on its creep behaviour (see Annex A). Consequently, when precise comparative results are required, these factors must be carefully controlled. If tensile-creep properties are to be use d for engineering-design purposes, the plastics materials should be test over a broad range of stresses, times and environmental conditions.


ICS-code 83.080.01
Nederlandse titel Kunststoffen - Bepaling van het kruipgedrag - Deel 1: Kruip onder trekspanning
Engelse titel Plastics - Determination of creep behaviour - Part 1: Tensile creep
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