I.S. EN ISO 8256:2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PLASTICS - DETERMINATION OF TENSILE-IMPACT STRENGTH
Hardcopy , PDF
12-21-2023
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Test machine
5.2 Pendulum and striker
5.3 Crosshead
5.4 Clamping devices/jaws
5.5 Micrometers and gauges
6 Test specimens
6.1 Shape and dimensions
6.2 Preparation
6.3 Notching of specimens
6.4 Number of test specimens
6.5 Anisotropy
6.6 Conditioning
7 Procedure
8 Determination of energy corrections
8.1 Method A - Correction E[q] due to the plastic
deformation and the kinetic energy of the
crosshead
8.2 Method B - Crosshead-bounce energy E[b]
9 Calculation and expression of results
9.1 Calculation of corrected tensile-impact energy
9.2 Calculation of tensile-impact strength
9.3 Statistical parameters
9.4 Number of significant figures
10 Precision
11 Test report
Annex A (normative) Determination of correction factor
for method A
Annex B (normative) Determination of bounce-correction
factor for method B
Bibliography
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