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Normas DIN – AENOR
DIN EN 12814-4:2017-02

DIN EN 12814-4:2017-02

Testing of welded joints of thermoplastics semi-finished products - Part 4: Peel test; German and English version prEN 12814-4:2016 / Note: Date of issue 2017-01-13

Essai des assemblages soudés sur produits semi-finis en thermoplastiques - Partie 4: Essai de pelage; Version allemande et anglaise prEN 12814-4:2016 / Attention: Date de parution 2017-01-13

Prüfen von Schweißverbindungen aus thermoplastischen Kunststoffen - Teil 4: Schälversuch; Deutsche und Englische Fassung prEN 12814-4:2016 / Achtung: Erscheinungsdatum 2017-01-13

Fecha Anulación:
2018-08 /Withdrawn
Equivalencias internacionales:

prEN 12814-4 (2016-12)

Relación con otras normas DIN:

Reemplazada por: DIN EN 12814-4:2018-08

This draft European Standard specifies the dimensions, the method of sampling and the preparation of the test specimens, and also the conditions for performing the peel test perpendicular to the weld in order to determine the peel resistance and the failure behaviour. A peel test may be used in conjunction with other tests (e. g. tensile creep, macroscopic examination, etc.) to assess the performance of welded assemblies, made from thermoplastics materials. Peel tests are applicable to overlap welded assemblies made from thermoplastics materials. The T-peel test as defined in Clause 5 will be used only for assessing welded sheet assemblies. This test is not applicable to welded test pieces containing sheets of different nominal thickness. The decohesion test as defined in Clause 6 will be used only for assessing electrofusion joints with nominal thickness of pipe/fitting greater than 10 mm. For socket fusion and for electrofusion socket joints with nominal outside diameter less than or equal to 90 mm, a crush test will be used, as defined in Clause 7. The crush test can also be used for electrofusion joints with outside diameters greater than 90 mm. The crush test for electrofusion saddle joints will be performed in accordance with ISO 13955 [6]. NOTE A decohesion test is also defined in ISO 13954 [5]. The tests defined in this standard should not be used for assessment and/or qualification of thermoplastics fittings, e. g. polyethylene fittings according to EN 1555-3 [1] and EN 12201-3 [2], because they already have their own requirements.
Crushing tests, Definitions, Dimensions, Materials, Peeling tests, Plastics, Properties, Sampling methods, Semi-finished products, Specification (approval), Specimen preparation, Testing, Thermoplastic, Thermoplastic polymers, Weld seam testing, Welded joints, Welding, Welding engineering, Welds
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