NF EN ISO 10275

NF EN ISO 10275

September 2020
Standard Current

Metallic materials - Sheet and strip - Determination of tensile strain hardening exponent

This document specifies a method for determining the tensile strain hardening exponent n of flat products (sheet and strip) made of metallic materials. The method is valid only for that part of the stress-strain curve in the plastic range where the curve is continuous and monotonic (see 8.4). In the case of materials with a serrated stress-strain curve in the work hardening range (materials which show the Portevin-Le Chatelier effect, e.g. AlMg-alloys), the automatic determination (linear regression of the logarithm true stress vs. the logarithm true plastic strain, see 8.7) is used to give reproducible results.

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Main informations

Collections

National standards and national normative documents

Publication date

September 2020

Number of pages

20 p.

Reference

NF EN ISO 10275

ICS Codes

77.040.10   Mechanical testing of metals

Classification index

A03-659

Print number

1

International kinship

ISO 10275:2020

European kinship

EN ISO 10275:2020
Sumary
Metallic materials - Sheet and strip - Determination of tensile strain hardening exponent

This document specifies a method for determining the tensile strain hardening exponent n of flat products (sheet and strip) made of metallic materials.

The method is valid only for that part of the stress-strain curve in the plastic range where the curve is continuous and monotonic (see 8.4).

In the case of materials with a serrated stress-strain curve in the work hardening range (materials which show the Portevin-Le Chatelier effect, e.g. AlMg-alloys), the automatic determination (linear regression of the logarithm true stress vs. the logarithm true plastic strain, see 8.7) is used to give reproducible results.

Replaced standards (1)
NF EN ISO 10275
August 2014
Standard Cancelled
Metallic materials - Sheet and strip - Determination of tensile strain hardening exponent

<p>ISO 10275:2007 specifies a method for determining the tensile strain hardening exponent of flat products (sheet and strip) made of metallic materials.</p> <p>The method is valid only for that part of the stress-strain curve in the plastic range where the curve is continuous and monotonic.</p>

Table of contents
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  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes and définitions
  • 4 Symboles et désignations
  • 5 Principe
  • 6 Equipement d'essai
  • 7 Eprouvettes
  • 8 Mode opératoire
  • 9 Rapport d'essai
  • Annexe A Comparaison internationale des symboles utilisés pour la détermination du coefficient d'écrouissage en traction
  • Bibliographie
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