ISO 899-2:2003/Amd 1:2015
(Amendment)Plastics - Determination of creep behaviour - Part 2: Flexural creep by three-point loading - Amendment 1
Plastics - Determination of creep behaviour - Part 2: Flexural creep by three-point loading - Amendment 1
Plastiques — Détermination du comportement au fluage — Partie 2: Fluage en flexion par mise en charge en trois points — Amendement 1
General Information
- Status
- Published
- Publication Date
- 09-Mar-2015
- Technical Committee
- ISO/TC 61/SC 2 - Mechanical behavior
- Drafting Committee
- ISO/TC 61/SC 2/WG 1 - Static behavior
- Current Stage
- 9599 - Withdrawal of International Standard
- Start Date
- 08-Oct-2024
- Completion Date
- 13-Dec-2025
Relations
- Effective Date
- 06-Jun-2022
- Effective Date
- 25-Dec-2021
- Effective Date
- 06-Jun-2022
Overview
ISO 899-2:2003/Amd 1:2015 is an amendment to the international standard for determining the creep behaviour of plastics, specifically focusing on flexural creep by three-point loading. Published by the International Organization for Standardization (ISO), this document updates the original ISO 899-2:2003 standard by enhancing guidance on evaluating the time-dependent deformation of plastic materials under flexural stress.
The standard is essential for manufacturers, engineers, and researchers seeking reliable methods to assess the long-term mechanical performance of plastic components subjected to bending forces. It emphasizes the influence of temperature and physical ageing on creep, providing detailed insights into how plastics behave under sustained mechanical loads and temperature variations.
Key Topics
Flexural creep testing by three-point loading:
The standard defines a test method using three-point bending to evaluate creep deformation of plastic specimens, enabling accurate measurement of flexural creep over time.Physical ageing effects:
Amendment 1 elaborates on the complex impact of physical ageing on creep behaviour, especially when plastic specimens undergo temperature changes before or during testing. It explains how molecular mobility and structural changes influence deformation rates.Elevated temperature testing:
The document discusses how increased temperatures accelerate creep deformation due to enhanced molecular mobility and reduced physical age of polymers. Tests performed after thermal storage periods reveal time-dependent changes in creep characteristics.Transient creep behaviour:
The standard highlights that creep curves may shift with dwell time at elevated temperatures, requiring adjustments in analyzing data for accurate long-term predictions. It warns against oversimplified time-temperature superposition approaches without accounting for physical ageing effects.Influence of polymer structure:
The amendment covers how the amorphous and semi-crystalline phases of plastics contribute to creep behaviour, noting that relaxation processes at the molecular level affect deformation during long-term loading.
Applications
This standard is highly valuable across industries where plastics are used in load-bearing and structural applications, including but not limited to:
Automotive parts:
Predicting long-term deformation under mechanical loads and temperatures typical in vehicle components.Electrical and electronic housings:
Ensuring dimensional stability and integrity when plastics are subjected to flexural stresses over time.Construction materials:
Assessing durability of polymer-based panels, pipes, and fittings under sustained bending forces.Consumer goods:
Improving reliability of plastic products expected to undergo prolonged mechanical stress.Research and development:
Guiding material formulation and performance optimization by understanding creep mechanisms influenced by temperature and physical ageing.
Related Standards
Professionals implementing ISO 899-2:2003/Amd 1:2015 often also consider related standards that address plastics testing and mechanical performance, such as:
ISO 899-1: Determination of creep behaviour - Part 1: Tensile creep methods.
ISO 527: Plastics - Determination of tensile properties.
ISO 75: Plastics - Determination of temperature of deflection under load.
ISO/IEC Directives Part 1 & 2: Procedures and editorial guidelines for developing ISO standards.
Integrating ISO 899-2 with these complementary standards facilitates a comprehensive evaluation of plastics’ mechanical properties over varied loading conditions and environmental factors.
Keywords: ISO 899-2 amendment, plastics creep behaviour, flexural creep testing, three-point loading, physical ageing in plastics, elevated temperature creep, polymer mechanical properties, plastic deformation, long-term plastic testing, creep master curves.
Frequently Asked Questions
ISO 899-2:2003/Amd 1:2015 is a standard published by the International Organization for Standardization (ISO). Its full title is "Plastics - Determination of creep behaviour - Part 2: Flexural creep by three-point loading - Amendment 1". This standard covers: Plastics - Determination of creep behaviour - Part 2: Flexural creep by three-point loading - Amendment 1
Plastics - Determination of creep behaviour - Part 2: Flexural creep by three-point loading - Amendment 1
ISO 899-2:2003/Amd 1:2015 is classified under the following ICS (International Classification for Standards) categories: 83.080.01 - Plastics in general. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 899-2:2003/Amd 1:2015 has the following relationships with other standards: It is inter standard links to ISO 6508-1:2005, ISO 899-2:2003, ISO 899-2:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ISO 899-2:2003/Amd 1:2015 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 899-2
Second edition
2003-06-01
AMENDMENT 1
2015-03-15
Plastics — Determination of creep
behaviour —
Part 2:
Flexural creep by three-point loading
AMENDMENT 1
Plastiques — Détermination du comportement au fluage —
Partie 2: Fluage en flexion par mise en charge en trois points
AMENDEMENT 1
Reference number
ISO 899-2:2003/Amd.1:2015(E)
©
ISO 2015
ISO 899-2:2003/Amd.1:2015(E)
© ISO 2015
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
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Published in Switzerland
ii © ISO 2015 – All rights reserved
ISO 899-2:2003/Amd.1:2015(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
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described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
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to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/TC 61, Plastics, Subcommittee SC 2, Mechanical properties.
ISO 899-2:2003/Amd.1:2015(E)
Plastics — Determination of creep behaviour —
Part 2:
Flexural creep by three-point loading
AMENDMENT 1
Page 10, Annex A
Change A.2 by the following:
A.2 Creep at elevated temperatures
The influence of physical ageing on creep behaviour is more complicated when measurements are
made at elevate
...
NORME ISO
INTERNATIONALE 899-2
Deuxième édition
2003-06-01
AMENDEMENT 1
2015-03-15
Plastiques — Détermination du
comportement au fluage —
Partie 2:
Fluage en flexion par mise en charge
en trois points
AMENDEMENT 1
Plastics — Determination of creep behaviour —
Part 2: Flexural creep by three-point loading
AMENDMENT 1
Numéro de référence
ISO 899-2:2003/Amd.1:2015(F)
©
ISO 2015
ISO 899-2:2003/Amd.1:2015(F)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2015
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Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Publié en Suisse
ii © ISO 2015 – Tous droits réservés
ISO 899-2:2003/Amd.1:2015(F)
Avant-propos
L’ISO (Organisation internationale de normalisation) est une fédération mondiale d’organismes
nationaux de normalisation (comités membres de l’ISO). L’élaboration des Normes internationales est
en général confiée aux comités techniques de l’ISO. Chaque comité membre intéressé par une étude
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L’ISO collabore étroitement avec la Commission électrotechnique internationale (IEC) en ce qui concerne
la normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont
décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier de prendre note des différents
critères d’approbation requis pour les différents types de documents ISO. Le présent document a été
rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2 (voir www.
iso.org/directives).
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références aux droits de propriété intellectuelle ou autres droits analogues identifiés lors de l’élaboration
du document sont indiqués dans l’Introduction et/ou dans la liste des déclarations de brevets reçues par
l’ISO (voir www.iso.org/brevets).
Les appellations commerciales éventuellement mentionnées dans le présent document sont données pour
information, par souci de commodité, à l’intention des utilisateurs et ne sauraient constituer un engagement.
Pour une explication de la signification des termes et expressions spécifiques de l’ISO liés à l’évaluation de
la conformité, ou pour toute information au sujet de l’adhésion de l’ISO aux principes de l’OMC concernant
les obstacles techniques au commerce (OTC), voir le lien suivant: Avant-propos — Informations
supplémentaires.
Le comité chargé de l’élaboration du présent document est l’ISO/TC 61, Plastiques, sous comité SC 2,
Propriétés mécaniques.
ISO 899-2:2003/Amd.1:2015(F)
Plastiques — Détermination du comportement au fluage —
Partie 2:
Fluage en flexion par mise en charge en trois points
AMENDEMENT 1
Page 11, Annexe A
Changer l’Article A.2 par le suivant:
A.2 Fluage à températures élevées
L’influence du vieillissement physique sur le comportement au fluage est plus complexe lorsque les
mesurages sont effectués à des températures élevées après une période de conservation à une température
inférieure. Il est bien connu qu’une augmentation de la tempéra
...








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