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BS ISO 20975-1:2023

BS ISO 20975-1:2023

$142.49

Fibre-reinforced plastic composites. Determination of laminate of through-thickness properties – Direct tension and compression tests

Published By Publication Date Number of Pages
BSI 2023 28
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PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
12 4 Principle
5 Apparatus
5.1 Test machine
5.1.1 General
13 5.1.2 Indicators for load and strain
5.2 Strain gauges and strain acquisition
5.3 Micrometer
5.4 Loading fixtures
5.4.1 General
5.4.2 Method A – Tension loading
5.4.3 Method B – Compression loading
14 6 Test specimens
6.1 Shape and dimensions
6.1.1 Type I specimens
15 6.1.2 Type II specimens
16 6.1.3 Type III specimens
17 6.1.4 Non-standard test specimens
18 6.2 Preparation of test specimens
6.2.1 General
6.2.2 Parallelism
6.2.3 Application of end-loading blocks for Method A — Tension only
6.3 Checking
7 Test specimens
19 8 Conditioning
9 Test procedure
9.1 Test atmosphere
9.2 Specimen dimensions
9.3 Specimen preparation Method A — Tension only
9.4 Strain recording
9.5 Specimen alignment
9.5.1 Method A – Tension
20 9.5.2 Method B – Compression
9.6 Testing speed, v
9.7 Data collection
9.8 Maximum load
9.9 Failure mode
9.10 Test acceptance
10 Expression of results
10.1 Method A — Tension
10.1.1 Tensile strength
21 10.1.2 Modulus of elasticity (chord) in tension
22 10.1.3 Tensile failure strain
10.2 Method B — Compression
10.2.1 Compressive strength
10.2.2 Modulus of elasticity (chord) in compression
10.2.3 Compressive failure strain
10.3 Poisson’s ratio – Methods A and B
23 10.4 Statistical analysis
11 Precision
12 Test report
25 Annex A (informative) Precision data
27 Bibliography

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BS ISO 20975-1:2023
$142.49