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BS EN ISO 179-1:2023 – TC

BS EN ISO 179-1:2023 – TC

$186.33

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

Published By Publication Date Number of Pages
BSI 2023 78
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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
1 30475634
47 A-30449755
48 undefined
50 European foreword
Endorsement notice
52 Foreword
53 Introduction
55 1 Scope
2 Normative references
3 Terms and definitions
56 4 Principle
57 5 Apparatus
5.1 Test machine
5.2 Micrometers and gauges
58 6 Test specimens
6.1 Preparation
6.1.1 Moulding and extrusion compounds
6.1.2 Sheets
6.1.3 Long-fibre-reinforced materials
60 6.1.4 Checking
61 6.1.5 Notching
6.2 Anisotropy
6.3 Shape and dimensions
6.3.1 Materials not exhibiting interlaminar shear fracture
63 6.3.2 Materials exhibiting interlaminar shear fracture (e.g. long-fibre-reinforced materials)
6.4 Number of test specimens
64 6.5 Span between specimen supports, L
6.6 Conditioning
65 7 Procedure
66 8 Calculation and expression of results
8.1 Unnotched specimens
8.2 Notched specimens
8.3 Statistical parameters
8.4 Significant figures
9 Precision
67 10 Test report
69 Annex A (informative) Additional methods for investigating the influence of surface effects
71 Annex B (informative) Precision data
73 Annex C (informative) Determining the notch tip radius using a CCD microscope
76 Bibliography

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BS EN ISO 179-1:2023 - TC
$186.33