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Status : Active
Standard Type : Main
Document No : ISO 16808:2022
Document Year : 2022
Pages : 24
Edition : 2
Section Volume : Ductility testing (ISO/TC 164/SC 2.)
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.