NF EN ISO 13477
Thermoplastics pipes for the conveyance of fluids - Determination of resistance to rapid crack propagation (RCP) - Small-scale steady-state test (S4 test)
ISO 13477:2008 specifies a small-scale (S4) test method for determining the arrest or propagation of a crack initiated in a thermoplastics pipe at a specified temperature and internal pressure.ISO 13477:2008 is applicable to the assessment of the performance of thermoplastics pipes intended for the supply of gases or liquids. In the latter case, air can also be present in the pipe.
ISO 13477:2008 specifies a small-scale (S4) test method for determining the arrest or propagation of a crack initiated in a thermoplastics pipe at a specified temperature and internal pressure.
ISO 13477:2008 is applicable to the assessment of the performance of thermoplastics pipes intended for the supply of gases or liquids. In the latter case, air can also be present in the pipe.
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions1
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4 Symboles et abréviations1
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5 Principe2
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6 Paramètres d'essai2
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7 Appareillage3
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7.1 Généralités3
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7.2 Cage de confinement3
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7.3 Zone de référence4
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7.4 Flasques de décompression4
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7.5 Matériel d'initiation de la fissure4
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7.6 Embouts5
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8 Éprouvettes5
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9 Conditionnement5
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10 Mode opératoire d'essai5
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11 Interprétation des résultats6
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12 Rapport d'essai6
- Annexe A (normative) Détermination de la pression critique (ou contrainte de paroi)7
- Annexe B (normative) Détermination de la température critique11
- Annexe C (normative) Fonction de corrélation entre l'essai S4 et les essais grandeur nature pour des tubes en polyéthylène12
- Annexe D (informative) Décompression du fluide et effet sur la RCP - Analyse théorique13
- Bibliographie15
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