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.
Status: PublishedPublication date: 2022-05
Edition: 2Number of pages: 24
Technical Committee: ISO/TC 164/SC 2 Ductility testing
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