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Table 1 FEA conditions for determine β

From: Novel Ring Compression Test Method to Determine the Stress-Strain Relations and Mechanical Properties of Metallic Materials

Elastic modulus of the die Geometric size of rings Power law parameters
Ep (GPa) D (mm) d (mm) B (mm) E (GPa) σy (MPa) n
400 10 6 1 to 4 200 400 0.1