01/121538 DC : DRAFT APRIL 2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN ISO 899-1 PLASTICS - DETERMINATION OF CREEP BEHAVIOUR - PART 1: TENSILE CREEP
06-18-2003
11-23-2012
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
5 Test specimens
6 Procedure
6.1 Conditioning and test atmosphere
6.2 Measurement of test-specimen dimensions
6.3 Mounting the test specimens
6.4 Selection of stress value
6.5 Loading procedure
6.5.1 Preloading
6.5.2 Loading
6.6 Extension-measurement schedule
6.7 Time measurement
6.8 Temperature and humidity control
6.9 Measurement of recovery rate (optional)
7 Expression of results
7.1 Method of calculation
7.2 Presentation of results
7.2.1 Creep curves
7.2.2 Creep-modulus/time curves
7.2.3 Isochronous stress-strain curves
7.2.4 Three-dimensional representation
7.2.5 Creep-to-rupture curves
7.3 Precision
8 Test report
Annex A (informative) Physical ageing effects on the creep
of polymers
A.1 General
A.2 Creep at elevated temperatures
Bibliography
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