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BSI 22/30449762 DC 2022

$13.70

BS EN ISO 8256. Plastics. Determination of tensile-impact strength

Published By Publication Date Number of Pages
BSI 2022 23
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PDF Catalog

PDF Pages PDF Title
1 30449762-NC.pdf
3 ISO_DIS 8256 ed.3 – id.84395 Enquiry PDF (en) (1).pdf
6 Foreword
7 1 Scope
2 Normative references
8 3 Terms and definitions
4 Principle
5 Apparatus
5.1 Test machine
9 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
11 6.2 Preparation
6.2.1 Moulding and extrusion compounds
12 6.2.2 Sheets
6.2.3 Fibre-reinforced resins
6.3 Notching of specimens
6.4 Number of test specimens
6.5 Anisotropy
13 6.6 Conditioning
7 Procedure
14 8 Determination of energy corrections
8.1 Method€A€— Correction Eq due to the plastic deformation and the kinetic energy of the crosshead
8.2 Method€B — Crosshead-bounce energy Eb
9 Calculation and expression of results
9.1 Calculation of corrected tensile-impact energy
9.1.1 General
9.1.2 Energy correction for method€A
15 9.1.3 Energy correction for method€B
9.2 Calculation of tensile-impact strength
9.3 Statistical parameters
9.4 Number of significant figures
10 Precision
16 11 Test report
17 Annex€A (normative) Determination of correction factor for method A
21 Annex€B (normative) Determination of bounce-correction factor for method B
23 Bibliography
BSI 22/30449762 DC 2022
$13.70