Stress-Strain Curve (2D) | mysimulator.uk

Material preset

Material properties

Young's modulus E (GPa)200

Yield strength σ_y (MPa)250

UTS σ_u (MPa)400

Fracture strain ε_f (%)20

Hardening exponent n0.25

Test control

Applied strain ε (%)0.0%

Live readout

Stress (MPa)0

Strain0.0%

PhaseElastic

Toughness (MJ/m³)0.00

Theory

Hooke's law σ = E·ε in the elastic region.

Power-law hardening σ = σ_y + K·ε_p^n past yield, where K is fitted so the curve reaches the UTS at the fracture strain.

Toughness is the running area under the σ–ε curve up to the applied strain, in MJ/m³.