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BS ISO 14127:2008

Current
Current

The latest, up-to-date edition.

Carbon-fibre-reinforced composites. Determination of the resin, fibre and void contents
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

08-29-2008

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Health and safety
4 Terms and definitions
5 Principle
6 Conditioning of test sample
7 Apparatus and reagents
8 Test specimens
9 Density measurements
10 Procedures
11 Calculation and expression of results
12 Precision
13 Test report

Defines methods for calculating the resin, fibre and void contents of a carbon-fibre-reinforced composite from the densities of the resin, the fibre and the composite and the mass of fibre in the composite (method A) and for calculating the fibre content from the thickness of the composite (method B).

This International Standard specifies methods for calculating the resin, fibre and void contents of a carbon-fibre-reinforced composite from the densities of the resin, the fibre and the composite and the mass of fibre in the composite (method A) and for calculating the fibre content from the thickness of the composite (method B).

Method A specifies three different resin removal procedures for the determination of the mass of fibre in the composite (viz a combustion procedure, a procedure by digestion in nitric acid and a procedure by digestion in a mixture of sulfuric acid and hydrogen peroxide). The selection of the procedure to be used is made by considering the combustibility of the resin used in the composite, its ability to decompose and the type of resin concerned. It should be noted that method A is only of limited applicability when filled resins are present that could prevent complete dissolution and/or combustibility of the resin.

Method B (thickness measurement method) is only applicable to composites moulded from prepregs of known fibre mass per unit area.

Committee
PRI/42
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current

Standards Relationship
ISO 14127:2008 Identical

ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 10119:2002 Carbon fibre Determination of density
ISO 5725-3:1994 Accuracy (trueness and precision) of measurement methods and results — Part 3: Intermediate measures of the precision of a standard measurement method
ISO 472:2013 Plastics Vocabulary
ISO 1183-1:2012 Plastics Methods for determining the density of non-cellular plastics Part 1: Immersion method, liquid pyknometer method and titration method
ISO 1183-2:2004 Plastics Methods for determining the density of non-cellular plastics Part 2: Density gradient column method
ISO 1183-3:1999 Plastics Methods for determining the density of non-cellular plastics Part 3: Gas pyknometer method
ISO 291:2008 Plastics Standard atmospheres for conditioning and testing
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method

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Hardcopy - English
PDF - English
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