BS EN ISO 899-1:2017
Current
The latest, up-to-date edition.
Plastics. Determination of creep behaviour Tensile creep
Hardcopy , PDF
English
12-06-2017
Important note : All end users must be registered with an Account prior to user licenses being assigned.| Committee |
PRI/21
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| DocumentType |
Standard
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| Pages |
22
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| PublisherName |
British Standards Institution
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| Status |
Current
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| Supersedes |
This document 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 in the form of dumb-bell-shaped test specimens moulded directly or machined from sheets or moulded articles.
The method is intended to provide data for engineering-design and research and development purposes. Data 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 can 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 AnnexA). Consequently, when precise comparative results are required, these factors are intended to be carefully controlled.
If tensile-creep properties are used for engineering-design purposes, the plastics materials are intended to be tested over a broad range of stresses, times and environmental conditions.
| Standards | Relationship |
| ISO 899-1:2017 | Identical |
| EN ISO 899-1:2017 | Identical |
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