NF EN ISO 8401

NF EN ISO 8401

April 1995
Standard Cancelled

Metallic coatings. Review of methods of measurement of ductility.

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Main informations

Collections

National standards and national normative documents

Publication date

April 1995

Number of pages

36 p.

Reference

NF EN ISO 8401

ICS Codes

25.220.40   Metallic coatings

Classification index

A91-107

Print number

1 - 01/04/1995

International kinship

ISO 8401:1986

European kinship

EN ISO 8401:1994
Standard replaced by (1)
NF EN ISO 8401
April 2017
Standard Current
Metallic coatings - Review of methods of measurement of ductility

ISO 8401:2017 specifies general methods for measuring the ductility of metallic coatings of thickness below 200 μm prepared by electroplating, autocatalytic deposition or other processes. It is applicable to the following methods: - tests on unsupported foils (separated from the substrate); - tests of coatings on substrates. It does not apply to International Standards that include specific methods of testing for individual coatings. In these cases, the methods specified are used in preference to the methods described in this document and are agreed upon beforehand by the supplier and the purchaser.

Table of contents
  • 1 Objet et domaine d'application
    1
  • 2 Définitions
    1
  • 3 Essais sur feuilles détachées de leur substrat
    1
  • 3.1 Essai de traction
    2
  • 3.2 Essai de flexion au micromètre
    2
  • 3.3 Essai de pliage à l'étau
    3
  • 3.4 Essai de bombement hydraulique
    3
  • 3.5 Essai de bombement mécanique
    4
  • 4 Essais sur feuilles avec leur substrat
    4
  • 4.1 Essai de traction
    5
  • 4.2 Essai de pliage trois points
    5
  • 4.3 Essai de pliage quatre points
    5
  • 4.4 Essai de pliage sur mandrins cylindriques
    6
  • 4.5 Essai de pliage sur mandrin à rayon décroissant
    6
  • 4.6 Essai de pliage sur mandrin conique
    6
  • 4.7 Essai de bombement mécanique
    6
  • 5 Choix de la méthode d'essai
    7
  • 6 Procès-verbal d'essai
    7
  • Annexes
  • A Méthodes de production des feuilles
    8
  • B Calcul de la ductilité après accroissement de la surface de la feuille essayée (bombement)
    10
  • C Calcul de la ductilité et de la résistance à la traction dans l'essai de bombement hydraulique
    10
  • D Calcul de la ductilité dans l'essai de bombement mécanique
    11
  • Bibliographie
    31
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