ISO 10275:2020

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

Publication date: Aug 19, 2020

General information

Current stage: 60.60 Effective date: Aug 19, 2020

Originator: ISO

Owner: ISO/TC 164/SC 2

Type: International Standard

ICS: 77.040.10

Languages: English French

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Scope

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.

Life cycle

PREVIOUSLY

Revises
ISO 10275:2007

NOW

PUBLISHED
ISO 10275:2020
60.60 Standard published
Aug 19, 2020

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