This document specifies a method using a thermal imaging camera for measuring the heat transfer parameter of PAN-based 12 K carbon fibre tow with a filament diameter of 7 µm. This document is applicable to both sized and unsized carbon fibres. NOTE At the time of publication, the experience is on 12 K tow. Other tows will be included when the experience becomes available.

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This document specifies four methods for the determination of the density of carbon fibre tested as a yarn: — method A: liquid-displacement method; — method B: sink/float method; — method C: density-gradient column method; — method D: gas pycnometer method. Method C is the reference method in cases of dispute, etc.

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This document specifies five test methods used for the determination of the diameter and cross-sectional area of single carbon fibre filaments. The shape of the cross-section of the filaments from different suppliers can vary significantly. The term "diameter" used in this document applies to all cases, from a "true" diameter, where the filament is exactly circular in cross-section, to an "apparent" diameter where the filament is not circular. The methods proposed are not necessarily directly applicable to all types of filament. The product specification determines the method to be used. If there is no specification, the selection of the appropriate method is a matter of judgement. The details given here are considered to be sufficiently precise to enable this choice to be made.

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ISO 30012:2016 specifies test methods for measurement of the size and aspect ratio of crushed carbon-fibre-reinforced plastics (CFRP), especially for recycling purpose. In this International Standard the shape of crushed CFRP, the fragment, is treated as a rectangular shape, and the measurement of the long and short sides of the shape is described. It applies to fragments of the following average dimensions: - length of the long side: 5 mm to 50 mm; - width of the short side: 1 mm to 10 mm. ISO 30012:2016 provides three measuring methods, two methods are manual methods using microscope and scale and the third method is an automatic method using a measuring apparatus. Crushed CFRP obtained from thermosetting or thermoplastic resin matrices are covered by this International Standard. NOTE If the crushed CFRP contain a lot of small fragments and fine particle, it is intended to screen out by a sieve of 1 mm size before the measurement.

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ISO 13931:2013 specifies two methods (i.e. method A and method B) for the determination of the volume resistivity of carbon fibre.

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ISO - Taking over of an ISO Technical Corrigendum

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ISO - Taking over of an ISO Technical Corrigendum

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ISO 10618:2004 specifies a method of test for the determination of the tensile strength, tensile modulus of elasticity and strain at maximum load of a resin-impregnated yarn specimen. The method is applicable to yarns (continuous and staple-fibre yarns) of carbon fibre for use as reinforcements in composite materials.

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ISO 10618:2004 specifies a method of test for the determination of the tensile strength, tensile modulus of elasticity and strain at maximum load of a resin-impregnated yarn specimen. The method is applicable to yarns (continuous and staple-fibre yarns) of carbon fibre for use as reinforcements in composite materials.

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ISO 10618:2004 specifies a method of test for the determination of the tensile strength, tensile modulus of elasticity and strain at maximum load of a resin-impregnated yarn specimen. The method is applicable to yarns (continuous and staple-fibre yarns) of carbon fibre for use as reinforcements in composite materials.

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ISO 10548 specifies test methods for the determination of the size content of carbon fibre yarn. It is applicable to continuous-filament yarns and staple-fibre yarns.

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ISO 10548 specifies test methods for the determination of the size content of carbon fibre yarn. It is applicable to continuous-filament yarns and staple-fibre yarns.

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ISO 10548 specifies test methods for the determination of the size content of carbon fibre yarn. It is applicable to continuous-filament yarns and staple-fibre yarns.

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1.1 This International Standard establishes a system of designation for filament yarns of carbon fibre which may be used as the basis for specifications.
1.2 This designation system is applicable to filament yarns used for the reinforcement of polymer composites.
It does not apply to discontinuous fibre products pyrolized in the form of staple yarns, woven fabrics, braids, knits,
mats, etc.
1.3 The types of filament yarns are differentiated from each other by a classification system based on appropriate levels of the designatory properties:
a) tensile modulus of elasticity;
b) tensile strength;
c) linear density.
1.4 It is not intended to imply that materials having the same designation give the same performance. This International Standard does not provide engineering data, performance data or data on processing conditions which may be required to specify a material for a particular application and/or method of processing.
1.5 In order to specify a filament yarn for a particular application or to ensure reproducible processing, additional
requirements may be given in data block 3 (see clause 3).

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1.1 This International Standard establishes a system of designation for filament yarns of carbon fibre which may be used as the basis for specifications.
1.2 This designation system is applicable to filament yarns used for the reinforcement of polymer composites.
It does not apply to discontinuous fibre products pyrolized in the form of staple yarns, woven fabrics, braids, knits,
mats, etc.
1.3 The types of filament yarns are differentiated from each other by a classification system based on appropriate levels of the designatory properties:
a) tensile modulus of elasticity;
b) tensile strength;
c) linear density.
1.4 It is not intended to imply that materials having the same designation give the same performance. This International Standard does not provide engineering data, performance data or data on processing conditions which may be required to specify a material for a particular application and/or method of processing.
1.5 In order to specify a filament yarn for a particular application or to ensure reproducible processing, additional
requirements may be given in data block 3 (see clause 3).

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1.1 This International Standard establishes a system of designation for filament yarns of carbon fibre which may be used as the basis for specifications. 1.2 This designation system is applicable to filament yarns used for the reinforcement of polymer composites. It does not apply to discontinuous fibre products pyrolized in the form of staple yarns, woven fabrics, braids, knits, mats, etc. 1.3 The types of filament yarns are differentiated from each other by a classification system based on appropriate levels of the designatory properties: a) tensile modulus of elasticity; b) tensile strength; c) linear density. 1.4 It is not intended to imply that materials having the same designation give the same performance. This International Standard does not provide engineering data, performance data or data on processing conditions which may be required to specify a material for a particular application and/or method of processing. 1.5 In order to specify a filament yarn for a particular application or to ensure reproducible processing, additional requirements may be given in data block 3 (see clause 3).

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Describes a method of test for the determination of the tensile properties of a single-filament specimen. Applicable to single filaments of carbon fibres, taken from multifilament yarns, woven fabrics, braids and related products.

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This standard is applicable to high-performance, high modulus carbon fibre filament yarns as defined in material standards. The carbon fibre filament yarns are used for manufacturing semi-finished products and for reinforcing metallic, plastic and ceramic parts. Polyacrylonitrile, pitch or viscose filament yarns are used as precursor which are transformed into carbon fibre filament yarns by controlled pyrolysis.

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This standard is applicable to high-performance, high modulus carbon fibre filament yarns as defined in material standards. The carbon fibre filament yarns are used for manufacturing semi-finished products and for reinforcing metallic, plastic and ceramic parts. Polyacrylonitrile, pitch or viscose filament yarns are used as precursor which are transformed into carbon fibre filament yarns by controlled pyrolysis.

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This International Standard specifies three methods for the determination of the density of carbon fibre yarn: method A: liquid-displacement method; method B: sink/float method; method C: density-gradient column method. Method C is the reference method.

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Specifies four test methods for the determination of the diameter and cross-sectional area of single carbon fibres. The shape of the cross-section of the filaments from different suppliers may vary significantly. The term "diameter" used herein applies to all cases from a diameter where the filament is exactly circular in cross-section.

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Specifies test methods for the determination of the size content of carbon fibre yarn. Applicable to continuous-filament yarns and staple-fibre yarns.

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Specifies three methods for the determination of the density of desized carbon fibre yarn: liquid-displacemenmt method, sink/float method, density-gradient column method. The last method is the reference method. The determination of density may also be carried out on sized fibre by agreement between customer and supplier.

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