Table 1.

Model parameters E₀, a and r.

$\dot{\epsilon }$/s−1	E0/MPa	a/MPa−1	r	Correlation Coefficient, R2
10−5	1.26 × 103	7.93 × 10−4	0.90	0.9991
10−4	1.55 × 103	6.47 × 10−4	0.90	0.9981
10−3	2.36 × 103	4.23 × 10−4	0.90	0.9974
10−2	3.56 × 103	2.81 × 10−4	0.90	0.9977
5 × 10−2	3.92 × 103	2.55 × 10−4	0.90	0.9995