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ISO 16808:2022

Metallic materials — Sheet and strip — Determination of biaxial stress-strain curve by means of bulge test with optical measuring systems ISO 16808:2022

Publication date:   May 10, 2022

General information

60.60 Standard published   May 10, 2022

ISO

ISO/TC 164/SC 2 Ductility testing

International Standard

77.040.10   Mechanical testing of metals

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Scope

This document specifies a method for determination of the biaxial stress-strain curve of metallic sheets having a thickness below 3 mm in pure stretch forming without significant friction influence. In comparison with tensile test results, higher strain values can be achieved.
NOTE      In this document, the term "biaxial stress-strain curve" is used for simplification. In principle, in the test the "biaxial true stress-true strain curve" is determined.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 16808:2014

NOW

PUBLISHED
ISO 16808:2022
60.60 Standard published
May 10, 2022