NF EN ISO 22088-2
Plastics - Determination of resistance to environmental stress cracking (ESC) - Part 2 : constant tensile load method
ISO 22088-2:2006 specifies methods for the determination of environmental stress cracking (ESC) of thermoplastics when they are subjected to a constant tensile load in the presence of chemical agents. It is applicable to test specimens prepared by moulding and/or machining and can be used both for the assessment of ESC of plastic materials exposed to different environments, and for the determination of ESC of different plastic materials exposed to a specific environment. This is essentially a ranking test and is not intended to provide data to be used for design or performance prediction. Methods for the determination of environmental stress cracking by means of a constant-strain test are specified in ISO 22088-3, ISO 22088-4 and ISO 22088-5.
ISO 22088-2:2006 specifies methods for the determination of environmental stress cracking (ESC) of thermoplastics when they are subjected to a constant tensile load in the presence of chemical agents.
It is applicable to test specimens prepared by moulding and/or machining and can be used both for the assessment of ESC of plastic materials exposed to different environments, and for the determination of ESC of different plastic materials exposed to a specific environment.
This is essentially a ranking test and is not intended to provide data to be used for design or performance prediction.
Methods for the determination of environmental stress cracking by means of a constant-strain test are specified in ISO 22088-3, ISO 22088-4 and ISO 22088-5.
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Principe2
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4 Appareillage2
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5 Conditionnement et conditions d'essai3
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5.1 Conditionnement3
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5.2 Température d'essai3
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5.3 Milieu d'essai3
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6 Contrainte d'essai4
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6.1 Contrainte maximale admissible4
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6.2 Méthode A4
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6.3 Méthode B4
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6.4 Méthode C4
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7 Éprouvettes d'essai4
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7.1 Généralités4
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7.2 Forme et dimensions4
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7.3 Nombre5
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7.4 Préparation5
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8 Mode opératoire6
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9 Expression des résultats7
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9.1 Méthode A7
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9.2 Méthode B7
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9.3 Méthode C7
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10 Fidélité8
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11 Rapport d'essai8
- Annexe A (informative) Exemple de contraintes utilisables9
- Bibliographie10
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