ISO 10618-2004 PDF

Full title and description

ISO 10618:2004 — Carbon fibre — Determination of tensile properties of resin-impregnated yarn. This International Standard specifies a laboratory test method to determine tensile strength, tensile modulus of elasticity and strain at maximum load of resin‑impregnated carbon‑fibre yarn specimens (continuous and staple‑fibre yarns) intended for use as reinforcements in composite materials.

Abstract

ISO 10618:2004 defines specimen preparation, test conditions, equipment and calculation/reporting procedures for tensile testing of resin‑impregnated carbon‑fibre yarns. The procedure produces tensile strength, modulus and elongation at maximum load values that can be used for quality control, material specification and comparative research on yarn reinforcements for composites.

General information

• Status: Published (confirmed international standard).
• Publication date: August 2004 (Edition 2, approved 13 August 2004; corrected French version November 2004).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 59.100.20 — Carbon materials.
• Edition / version: Edition 2 (2004).
• Number of pages: 17 (ISO print/PDF original).

Scope

This standard specifies a method of test for determining tensile strength, tensile modulus of elasticity and strain at maximum load of a resin‑impregnated yarn specimen. It applies to continuous and staple‑fibre carbon yarns used as reinforcement in composite materials and covers specimen preparation, test equipment, test conditions, data processing and reporting requirements. The method is intended for comparative testing, quality control and specification of yarn reinforcements.

Key topics and requirements

• Definition of specimen types and preparation methods for resin‑impregnated yarn specimens (manual and machine impregnation where applicable).
• Specified test conditions (environment, test speed, gauge length and gripping methods) to produce reproducible tensile results.
• Measurement and calculation of tensile strength, tensile modulus (modulus of elasticity) and strain at maximum load.
• Use of appropriate extensometers or strain measurement techniques and reporting of equipment and test settings.
• Required test report contents: material identification, impregnation/resin system, specimen geometry, test conditions, raw data and calculated results, plus any deviations.

Typical use and users

Used by composite materials manufacturers, carbon‑fibre producers, independent testing laboratories, R&D departments, quality assurance teams and standards committees to characterise and compare resin‑impregnated yarn performance, validate material lots and support material specifications for composite part design and production.

Related standards

ISO 10618:2004 supersedes ISO 10618:1999 (withdrawn). It sits within the ISO/TC 61/SC 13 portfolio of carbon‑fibre test standards and is commonly used alongside other carbon‑fibre standards (for example ISO 13002 for filament yarn designation and ISO 11566 for single‑filament tensile testing). National/adopted equivalents and companion standards include JIS R 7608 (Japan) and later national standards with aligned test methods (for example recent GB/T updates addressing resin‑impregnated yarn testing). ASTM also publishes related methods for continuous filament and resin‑impregnated tow testing (for example ASTM D4018).

Keywords

carbon fibre; resin‑impregnated yarn; tensile strength; tensile modulus; strain at maximum load; yarn testing; composite reinforcement; specimen preparation; ISO 10618.

FAQ

Q: What is this standard?

A: ISO 10618:2004 is an International Standard that specifies a tensile test method for resin‑impregnated carbon‑fibre yarns to determine tensile strength, modulus and strain at maximum load.

Q: What does it cover?

A: It covers specimen preparation, test equipment and conditions, measurement methods (including extensometry), calculation of tensile properties and minimum reporting requirements for resin‑impregnated carbon‑fibre yarn specimens.

Q: Who typically uses it?

A: Manufacturers of carbon fibres and composite reinforcements, independent testing laboratories, R&D and quality control teams, and standards bodies use the standard for material characterisation, incoming inspection and specification.

Q: Is it current or superseded?

A: ISO 10618:2004 is the second edition (2004) and replaced the 1999 edition; ISO shows the 2004 edition as the published/confirmed version (the 1999 edition was withdrawn). Users should confirm whether any national adoptions or more recent regional standards have been issued for local compliance.

Q: Is it part of a series?

A: It is part of the body of ISO standards on carbon materials and filament yarn testing produced by ISO/TC 61/SC 13 and is commonly used with related standards (e.g., ISO 13002, ISO 11566) and relevant national or ASTM methods for complementary test procedures.

Q: What are the key keywords?

A: carbon fibre, resin‑impregnated yarn, tensile test, tensile strength, tensile modulus, strain at maximum load, specimen preparation, composite reinforcement.