Table 1 Parameter values for the model
From: Portevin–Le Chatelier effect: modeling the deformation bands and stress-strain curves
Parameter | Value |
|---|---|
\(G_{0}^{ag}\) | 15kBT |
\(G^{ag}_{\infty }\) | 15kBT |
\(\epsilon _{p, t}^{0}\) | 2.8·10−22 s −1 |
\(\Delta \epsilon _{p, t}^{0}\) | \(0.1 \cdot \epsilon _{p, t}^{0}\) s −1 |
\(\sigma _{ext}^{0}\) | 2.0 MPa |
S0 | 3.0 MPa |
E⋆ | 11.4 GPa |
L | 28 mm |
η | 50 s −1 |
Ω | 1.2·10−4 |
D0 | 5.9·10−5 m 2 s γ−1 |
γ | 0.6 |
h0 | 1958 MPa |
hexp | 17.62 |
〈εy〉 | 1.0·10−2 |
〈εc〉 | 2.19·10−1 |