NF EN ISO 12004-2

NF EN ISO 12004-2

December 2008
Standard Cancelled

Metallic materials - Sheet and strip - Determination of forming-limit curves - Part 2 : determination of forming-limit curves in laboratory

ISO 12004-2:2008 specifies the testing conditions to be used when constructing a forming-limit curve (FLC) at ambient temperature and using linear strain paths. The material considered is flat, metallic and of thickness between 0,3 mm and 4 mm.

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Main informations

Collections

National standards and national normative documents

Publication date

December 2008

Number of pages

35 p.

Reference

NF EN ISO 12004-2

ICS Codes

77.040.10   Mechanical testing of metals

Classification index

A03-670-2

Print number

1 - 18/12/2008

International kinship

ISO 12004-2:2008

European kinship

EN ISO 12004-2:2008
Sumary
Metallic materials - Sheet and strip - Determination of forming-limit curves - Part 2 : determination of forming-limit curves in laboratory

ISO 12004-2:2008 specifies the testing conditions to be used when constructing a forming-limit curve (FLC) at ambient temperature and using linear strain paths. The material considered is flat, metallic and of thickness between 0,3 mm and 4 mm.

Standard replaced by (1)
NF EN ISO 12004-2
March 2021
Standard Current
Metallic materials - Determination of forming-limit curves for sheet and strip - Part 2 : determination of forming-limit curves in the laboratory

<p>This document specifies testing conditions for use when constructing a forming-limit curve (FLC) at ambient temperature and using linear strain paths. The material considered is flat, metallic and of thickness between 0,3 mm and 4 mm.</p> <p>NOTE The limitation in thickness of up to 4 mm is proposed, giving a maximum allowable thickness to the punch diameter ratio.</p>

Table of contents
View the extract
  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Symboles et termes abrégés
    1
  • 3 Principe
    2
  • 4 Éprouvettes et équipement
    3
  • 5 Analyse du profil de déformation et détermination des paires Epsilon1-Epsilon2
    10
  • 6 Documentation
    15
  • 7 Rapport d'essai
    16
  • Annexe A (normative) Dérivée seconde et dérivée seconde "filtrée"
    17
  • Annexe B (normative) Calcul de la largeur de la fenêtre de fit
    18
  • Annexe C (normative) Évaluation de la parabole inverse de meilleur fit sur la "courbe en cloche"
    19
  • Annexe D (normative) Application/Mesure de la grille - Évaluation à la loupe ou au microscope
    21
  • Annexe E (normative) Tableaux de données expérimentales pour la validation du programme de calcul
    22
  • Annexe F (normative) Représentation et description mathématique de la CLF
    23
  • Annexe G (normative) Exemples de données relatives à des sections critiques
    24
  • Annexe H (normative) Logigramme relatif au passage de la distribution des déformations mesurées aux valeurs de la CLF
    5
  • Bibliographie
    27
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