Table 2.

Activation energy Q (±7.7) during superplastic deformation of the TC4 alloy.

	T, °C	800	830	860	890
Strain Rate $\dot{\mathit{\epsilon }}$, s−1
5 × 10−4		328.88	400.89	429.08	389.35
5 × 10−3		344.52	418.80	449.33	407.99
10−3		338.96	412.09	442.14	401.44
5 × 10−2		427.54	519.22	546.90	505.87