Fibre-reinforced plastic composites - Determination of flexural properties - Amendment 1

Composites plastiques renforcés de fibres — Détermination des propriétés de flexion — Amendement 1

General Information

Status
Published
Publication Date
24-Jan-2011
ICS
83.120 - Reinforced plastics
Technical Committee
ISO/TC 61/SC 13 - Composites and reinforcement fibres
Drafting Committee
ISO/TC 61/SC 13/WG 2 - Laminates and moulding compounds
Current Stage
6060 - International Standard published
Start Date
25-Jan-2011
Due Date
25-Sep-2012
Completion Date
25-Sep-2012

Relations

Amends
ISO 14125:1998 - Fibre-reinforced plastic composites - Determination of flexural properties
Effective Date
06-Jun-2022
Child
ISO 14125:1998 - Fibre-reinforced plastic composites - Determination of flexural properties
Effective Date
18-Dec-2008

Overview

ISO 14125:1998/Amd 1:2011 is an international standard issued by the International Organization for Standardization (ISO) focusing on fibre-reinforced plastic (FRP) composites. This amendment updates the original 1998 standard on the determination of flexural properties of fibre-reinforced plastic composites. Fibre-reinforced composites are widely used in various industries due to their superior mechanical properties, and accurate evaluation of their flexural characteristics is essential for quality control and material development.

This amendment refines key measurement methods and definitions to improve test accuracy and applicability, especially for composites with low deformation behavior, such as high-modulus carbon fibre-reinforced plastics.

Key Topics

  • Flexural Property Measurement
    The document outlines precise procedures for determining the flexural strength, flexural modulus, and related characteristics of fibre-reinforced plastic composites. This includes updates to deformation ranges used in calculations based on the composite's behavior under load.

  • Material Deformation Ranges
    Specific provisions were added for materials exhibiting very low flexural deformation (below 0.0025 strain), such as high-modulus carbon fibre composites. For these, the strain difference used to calculate flexural modulus is reduced to between 0.0005 and 0.0010 to ensure accurate measurement.

  • Updated Test Parameters
    The amendment modifies deformation parameters and calculation equations (e.g., defining the deflections s′ and s″ for specific strain values) to enhance consistency and repeatability across test laboratories.

  • Normative References
    Amendment 1 updates the normative references essential for applying the standard, including related ISO standards for plastic testing methods (ISO 178, ISO 291, ISO 293, and others) and test specimen preparation.

  • Statistical Interpretation of Results
    Guidance on statistical analysis for test results, such as confidence intervals and data interpretation, is aligned with ISO 2602 to ensure reliability and comparability of data.

Applications

  • Material Quality Control
    Manufacturers of fibre-reinforced plastic composites use ISO 14125:1998/Amd 1:2011 to evaluate flexural properties critical to certifying material performance and ensuring consistency batch-to-batch.

  • Research and Development
    Engineering teams rely on this standard to develop new FRP materials with tailored mechanical properties by assessing flexural strength and stiffness under controlled conditions.

  • Product Certification
    Compliance with ISO 14125 facilitates product certification processes, providing clients and regulatory bodies with verified mechanical property data.

  • Structural Component Design
    Designers use standardized flexural property data to perform accurate finite element analyses and to optimize composite structures for aerospace, automotive, marine, and civil engineering applications.

Related Standards

  • ISO 178 – Plastics – Determination of flexural properties
  • ISO 291 – Plastics – Standard atmospheres for conditioning and testing
  • ISO 293 / ISO 294-1 / ISO 295 – Plastics – Specimen moulding methods for thermoplastics and thermosets
  • ISO 1268 – Fibre-reinforced plastics – Methods for manufacturing test plates
  • ISO 2602 – Statistical interpretation of test results
  • ISO 2818 – Plastics – Preparation of test specimens by machining
  • ISO 3167 – Plastics – Multipurpose test specimens
  • ISO 5893 – Rubber and plastics test equipment specifications for tension, bending, and compression tests

By adhering to ISO 14125:1998/Amd 1:2011, industries working with fibre-reinforced plastic composites can ensure accurate, repeatable flexural testing consistent with global best practices, enabling improved product reliability and innovation.

Frequently Asked Questions

ISO 14125:1998/Amd 1:2011 is a standard published by the International Organization for Standardization (ISO). Its full title is "Fibre-reinforced plastic composites - Determination of flexural properties - Amendment 1". This standard covers: Fibre-reinforced plastic composites - Determination of flexural properties - Amendment 1

Fibre-reinforced plastic composites - Determination of flexural properties - Amendment 1

ISO 14125:1998/Amd 1:2011 is classified under the following ICS (International Classification for Standards) categories: 83.120 - Reinforced plastics. The ICS classification helps identify the subject area and facilitates finding related standards.

ISO 14125:1998/Amd 1:2011 has the following relationships with other standards: It is inter standard links to ISO 14125:1998; is excused to ISO 14125:1998. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

ISO 14125:1998/Amd 1:2011 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


INTERNATIONAL ISO
STANDARD 14125
First edition
1998-03-01
AMENDMENT 1
2011-02-01
Fibre-reinforced plastic composites —
Determination of flexural properties
AMENDMENT 1
Composites plastiques renforcés de fibres — Détermination
des propriétés de flexion
AMENDEMENT 1
Reference number
ISO 14125:1998/Amd.1:2011(E)
©
ISO 2011
ISO 14125:1998/Amd.1:2011(E)
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ii © ISO 2011 – All rights reserved

ISO 14125:1998/Amd.1:2011(E)
Foreword
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...


NORME ISO
INTERNATIONALE 14125
Première édition
1998-03-01
AMENDEMENT 1
2011-02-01
Composites plastiques renforcés
de fibres — Détermination des propriétés
de flexion
AMENDEMENT 1
Fibre-reinforced plastic composites — Determination of flexural
properties
AMENDMENT 1
Numéro de référence
ISO 14125:1998/Amd.1:2011(F)
©
ISO 2011
ISO 14125:1998/Amd.1:2011(F)
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Publié en Suisse
ii © ISO 2011 – Tous droits réservés

ISO 14125:1998/Amd.1:2011(F)
Avant-propos
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normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est en général confiée
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comité technique créé à cet effet. Les organisations internationales, gouvernementales et non
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la Commission électrotechnique internationale (CEI) en ce qui concerne la normalisation électrotechnique.
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