Table 2 Types, physical meanings, and values of the model parameters.
Type of parameter | Parameter | Physical meaning | Value |
|---|---|---|---|
Temperature field parameters | \(\xi\) | The coefficient of influence of temperature field on temperature thermodynamic force | −0.212 |
k | The coefficient of influence of temperature field on the amplitude of isotropic hardening thermodynamic force oscillation | \(1.24 \times {10^{ - 3}}\) | |
\(\theta\) | The coefficient of influence of temperature field on the frequency of isotropic hardening thermodynamic force oscillation | 3847.65 | |
\(\bar{k}\) | The stress oscillation coefficient of the reference state | 0.074 | |
Strain rate field parameters | \(\zeta\) | The coefficient of influence of strain rate field on strain rate thermodynamic forces | 12.313 |
Coupling parameters of temperature field and strain rate field | \({\tilde{m}}\) | The influence coefficient generated by the coupling effect of the temperature field and strain rate field | −0.301 |