SIST EN 2597:2001
(Main)Aerospace series - Carbon fibre reinforced plastics - Unidirectional laminates - Tensile test perpendicular to the fibre direction
Aerospace series - Carbon fibre reinforced plastics - Unidirectional laminates - Tensile test perpendicular to the fibre direction
This standard specifies the method of determination of the ultimate tensile strength, tensile modulus and, if required, the Poisson's ratio and elongation at failure in tension of carbon fibre reinforced plastics in the form of unidirectional laminates. This method is only applicable to specimens the axis of which is perpendicular to the direction of the fibres.
Luft- und Raumfahrt - Kohlenstoffaserverstärkte Kunststoffe - Unidirektionale Laminate - Zugversuch senkrecht zur Faserrichtung
Diese Norm legt das Verfahren zur Bestimmung der Zugfestigkeit, des E-Moduls sowie ggf. der Querdehnungßahl und der Bruchdehnung von kohlenstoffaserverstärkten Kunststoffen in Form von unidirektionalen Laminaten fest. Dieses Verfahren ist nur auf Probekörper anwendbar, deren Längsachse senkrecht zur Faserrichtung verläuft.
Série aérospatiale - Plastiques renforcés de fibres de carbone - Stratifiés unidirectionnels - Essai de traction perpendiculairement a la direction des fibres
La présente norme spécifie la méthode de détermination de la résistance en traction, du module de traction et, éventuellement, du coefficient de Poisson et de l'allongement à rupture en traction des plastiques renforcés de fibres de carbone sous forme de stratifiés unidirectionnels. Cette méthode est seulement applicable aux éprouvettes dont l'axe est perpendiculaire à la direction des fibres.
Aerospace series - Carbon fibre reinforced plastics - Unidirectional laminates - Tensile test perpendicular to the fibre direction
General Information
Overview
SIST EN 2597:2001 is a European standard developed by CEN that specifies the testing method for tensile properties of carbon fibre reinforced plastics (CFRP), particularly focusing on unidirectional laminates. This standard defines how to accurately determine the ultimate tensile strength, tensile modulus, and optionally, the Poisson’s ratio and elongation at failure for specimens where the test axis is perpendicular to the fibre direction. Its primary application lies within the aerospace industry, where precise mechanical characterization of CFRP materials is critical for structural integrity and performance.
Key Topics
Tensile Testing Method
SIST EN 2597:2001 outlines the procedures for performing tensile tests on CFRP samples with fibres oriented perpendicularly to the direction of applied load.Material Focus
The standard exclusively addresses unidirectional carbon fibre reinforced plastics, which are widely used in aerospace components due to their superior strength-to-weight ratio.Measured Properties
- Ultimate Tensile Strength: The maximum stress the material can withstand before failure.
- Tensile Modulus: The stiffness of the laminate under tension.
- Poisson’s Ratio (optional): The ratio of transverse strain to axial strain.
- Elongation at Failure (optional): The strain at the point of material failure.
Specimen Orientation
The testing direction must be strictly perpendicular to the fibre orientation to capture the transverse tensile behavior of the composite laminate.Quality and Repeatability
The method ensures reproducible and comparable results essential for material selection and quality control in aerospace manufacturing.
Applications
SIST EN 2597:2001 is highly relevant for:
Aerospace Component Design
Engineers use the test results to model and predict the mechanical behavior of CFRP components under operational stresses perpendicular to fibres.Material Certification and Validation
Manufacturers certify unidirectional CFRP materials against this standard to meet stringent aerospace industry requirements.Research and Development
R&D teams rely on this standardized testing procedure to develop new composite laminates with optimized transverse mechanical properties.Quality Control in Production
Ensures consistent material performance and detects manufacturing variances or defects in CFRP laminates.
Related Standards
- EN 2561 – Aerospace series - Carbon fibre reinforced plastics - Unidirectional laminates - Tensile test parallel to the fibre direction
- EN ISO 527-5 – Plastics - Tensile testing of fibre-reinforced plastic composites
- ASTM D3039 – Standard Test Method for Tensile Properties of Polymer Matrix Composite Materials
- EN 603 – Aerospace series - Carbon fibre reinforced plastics - Test methods for shear properties
By complying with SIST EN 2597:2001, aerospace manufacturers and testing laboratories ensure reliable, standardized evaluation of critical tensile properties for CFRP unidirectional laminates, enhancing safety, performance, and innovation in composite material applications.
Frequently Asked Questions
SIST EN 2597:2001 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Carbon fibre reinforced plastics - Unidirectional laminates - Tensile test perpendicular to the fibre direction". This standard covers: This standard specifies the method of determination of the ultimate tensile strength, tensile modulus and, if required, the Poisson's ratio and elongation at failure in tension of carbon fibre reinforced plastics in the form of unidirectional laminates. This method is only applicable to specimens the axis of which is perpendicular to the direction of the fibres.
This standard specifies the method of determination of the ultimate tensile strength, tensile modulus and, if required, the Poisson's ratio and elongation at failure in tension of carbon fibre reinforced plastics in the form of unidirectional laminates. This method is only applicable to specimens the axis of which is perpendicular to the direction of the fibres.
SIST EN 2597:2001 is classified under the following ICS (International Classification for Standards) categories: 49.025.40 - Rubber and plastics. The ICS classification helps identify the subject area and facilitates finding related standards.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Carbon fibre reinforced plastics - Unidirectional laminates - Tensile test perpendicular to the fibre directionLuft- und Raumfahrt - Kohlenstoffaserverstärkte Kunststoffe - Unidirektionale Laminate - Zugversuch senkrecht zur FaserrichtungSérie aérospatiale - Plastiques renforcés de fibres de carbone - Stratifiés unidirectionnels - Essai de traction perpendiculairement a la direction des fibresAerospace series
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