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Homepage>ISO Standards>ISO 16808:2022-Metallic materials — Sheet and strip — Determination of biaxial stress-strain curve by means of bulge test with optical measuring systems
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download between 0-24 hoursReleased: 2022
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

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

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Standard´s number:ISO 16808:2022
Pages:24
Edition:2
Released:2022
DESCRIPTION

ISO 16808:2022


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.