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BS EN ISO 527-4:2023 – TC

BS EN ISO 527-4:2023 – TC

$217.84

Tracked Changes. Plastics. Determination of tensile properties – Test conditions for isotropic and orthotropic fibre-reinforced plastic composites

Published By Publication Date Number of Pages
BSI 2023 88
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This document specifies the test conditions for the determination of the tensile properties of isotropic and orthotropic fibre-reinforced plastic composites, based upon the general principles given in ISO 527-1. NOTE 1   Unidirectional reinforced materials are covered by ISO 527-5. The methods are used to investigate the tensile behaviour of the test specimens and for determining the tensile strength, tensile modulus, Poisson’s ratios and other aspects of the tensile stress-strain relationship under the defined conditions. The test method is suitable for use with the following materials: —    fibre-reinforced thermosetting and thermoplastic composites incorporating non-unidirectional reinforcements such as mats, woven fabrics, woven rovings, chopped strands, combinations of such reinforcements, hybrids, rovings, short or milled fibres or preimpregnated materials (prepregs); NOTE 2   Injection moulded specimens are covered by ISO 527-2. —    combinations of the above with unidirectional reinforcements and multidirectional reinforced materials constructed from unidirectional layers, provided such laminates are symmetrical; NOTE 3   Materials with completely or mainly unidirectional reinforcements are covered by ISO 527-5. —    finished products made from materials mentioned above. The reinforcement fibres covered include glass fibres, carbon fibres, aramid fibres and other similar fibres.

PDF Catalog

PDF Pages PDF Title
1 30473121
49 A-30464398
50 undefined
52 European foreword
Endorsement notice
54 Foreword
55 Introduction
57 1 Scope
2 Normative references
3 Terms and definitions
61 4 Principle
5 Apparatus
6 Test specimens
6.1 Shape and dimensions
66 6.2 Preparation of specimens
6.2.1 General
6.2.2 End tabs for type 3 specimens
6.2.3 Applications of end tabs for type 3 specimens
6.3 Gauge marks
6.4 Checking the specimens
67 6.5 Anisotropy
7 Number of specimens
8 Conditioning
9 Procedure
9.1 Test atmosphere
9.2 Measurement of specimen dimensions
9.3 Clamping
9.4 Prestresses
9.5 Setting of extensometers and strain gauges and placing of gauge marks
68 9.6 Speed of testing
9.6.1 For type 1B test specimens
9.6.2 For type 2, type 3 and type 4 test specimens
9.7 Recording of data
10 Calculation and expression of results
10.1 Calculation of all properties for parallel sided specimens
10.2 Failure location related calculation of tensile strength for type 4 specimens
11 Precision
69 12 Test report
70 Annex A (informative) Alignment of specimens
72 Annex B (informative) Testing with tapered tensile specimen geometry without tabs (type 4)
75 Annex C (informative) Unbonded tabs or gripping condition without tabs using fine grip face
78 Annex D (normative) Specimen preparation for type 2 and type 3
80 Annex E (normative) Failure location related calculation of tensile strength for type 4 specimens
84 Bibliography

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BS EN ISO 527-4:2023 - TC
$217.84