Research Article

Finite Element Analysis of Residual Stress in Ti-6Al-4V Alloy Plate Induced by Deep Rolling Process under Complex Roller Path

Table 2

Parameters of Johnson-Cook material model for Ti-6Al-4V [20].

Yield strength, 968 MPa
Strain hardening coefficient, 380 MPa
Strain rate coefficient, 0.0197
Strain hardening exponent, 0.421
Thermal softening exponent, 0.577
Melting point, 1605°C