ISO 16808:2022
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The latest, up-to-date edition.
Metallic materials Sheet and strip Determination of biaxial stress-strain curve by means of bulge test with optical measuring systems
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English, French
10-05-2022
This document specifies a method for determination of the biaxial stress-strain curve of metallic sheets having a thickness below 3mm 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.
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