Review Article

A Review on Superplastic Formation Behavior of Al Alloys

Table 2

Reference data to illustrate range and average values of m and Q during superplastic deformation.

Alloy typeT (°C)Strain rate (s−1)MQ (kJ/mol)Reference

Al-Mg-Sc-Zr450–5251.67 × 10−3–1 × 10−10.36–0.42
0.39
90–126
107
[43]
Al-Zn-Mg-Sc-Zr450–5001 × 10−3–1 × 10−10.35–0.40
0.37
83.8–85.0
84.5
[42]
Al-Zn-Mg-Sc450–5001 × 10−3–1 × 10−20.46–0.51
0.50
83.8–85.6
85
[56]
Al-Mg-Sc-Zr425–5001 × 10−3–1 × 10−10.35–0.53
0.43
93.269–177.517
143.762
[57]
Al-Mg-Li430–5705 × 10−4–1 × 10−30.41–0.85
0.61
[58]
Al3Ti/2024Al450–5400.15–1.5206[59]