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BS EN ISO 179-1:2023

BS EN ISO 179-1:2023

$142.49

Plastics. Determination of Charpy impact properties – Non-instrumented impact test

Published By Publication Date Number of Pages
BSI 2023 32
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This document specifies a method for determining the Charpy impact strength of plastics under defined conditions. A number of different types of specimen and test configurations are defined. Different test parameters are specified according to the type of material, the type of test specimen and the type of notch. The method can be used to investigate the behaviour of specified types of specimen under the impact conditions defined and for estimating the brittleness or toughness of specimens within the limitations inherent in the test conditions. It can also be used for the determination of comparative data from similar types of material.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
11 5 Apparatus
5.1 Test machine
5.2 Micrometers and gauges
12 6 Test specimens
6.1 Preparation
6.1.1 Moulding and extrusion compounds
6.1.2 Sheets
6.1.3 Long-fibre-reinforced materials
14 6.1.4 Checking
15 6.1.5 Notching
6.2 Anisotropy
6.3 Shape and dimensions
6.3.1 Materials not exhibiting interlaminar shear fracture
17 6.3.2 Materials exhibiting interlaminar shear fracture (e.g. long-fibre-reinforced materials)
6.4 Number of test specimens
18 6.5 Span between specimen supports, L
6.6 Conditioning
19 7 Procedure
20 8 Calculation and expression of results
8.1 Unnotched specimens
8.2 Notched specimens
8.3 Statistical parameters
8.4 Significant figures
9 Precision
21 10 Test report
23 Annex A (informative) Additional methods for investigating the influence of surface effects
25 Annex B (informative) Precision data
27 Annex C (informative) Determining the notch tip radius using a CCD microscope
30 Bibliography

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BS EN ISO 179-1:2023
$142.49