Material Presets
Parameters
Young's Modulus E
206 GPa
Yield Stress σ_y
250 MPa
Tensile Strength σ_UTS
400 MPa
Elongation A%
25.0 %
Strain Hardening n
0.20
True Stress Curve
Bauschinger Effect
—
E (GPa)
—
σ_y (MPa)
—
σ_UTS (MPa)
—
UTS/Yield Ratio
—
Elongation A%
—
Area Reduction RA%
—
Resilience (kJ/m³)
—
Toughness (MJ/m³)
Key Equations
Engineering to true stress-strain conversion (uniform deformation):
$$\sigma_{true} = \sigma_{eng}(1 + \varepsilon_{eng}), \quad \varepsilon_{true} = \ln(1 + \varepsilon_{eng})$$Hollomon power law: $\sigma = K\varepsilon^n$
Resilience: $U_r = \dfrac{\sigma_y^2}{2E}$, Toughness: $U_T \approx \dfrac{\sigma_y + \sigma_{UTS}}{2}\varepsilon_f$
Area reduction: $RA = \dfrac{A_0 - A_f}{A_0} \times 100\%$
CAE note: True stress-strain data is directly input to Abaqus / LS-DYNA elastoplastic material cards (*MAT_PIECEWISE_LINEAR_PLASTICITY). Bauschinger effect is modelled with kinematic hardening.