Table 2 Parameters of the SAPH440 steel tube
From: Simulation Analysis of Torsion Beam Hydroforming Based on the Fluid-Solid Coupling Method
Mass density ρ(kg/m3) | Elastic modulus E(GPa) | Yield strength σs(MPa) | Tensile strength σb(MPa) | Poisson’s ratio μ | Coefficient of hardening K(MPa) | Sclerosis index n | Elongation rate δ(%) |
|---|---|---|---|---|---|---|---|
7830 | 198 | 390 | 606 | 0.28 | 776 | 0.19 | 32.8 |