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F 1 mm 1 mm

Initial sample shape is a cube.

Maximum εN is set to be 40%.

σY (MPa)

200 

K (MPa)

400 

F (N)

250 
0 250 500 σ (MPa) 0 0.1 0.2 0.3 0.4 ε

True Stress - True Strain Curve

Nominal Stress - Nominal Strain Curve