Table 3.

Strain rate sensitivity (m) and activation volume (V*) of the creep aged AA2524 with different pre-aging treatments. B is the burger’s vector of pure Al, ≈0.286 nm.

Pre-Aged	m	V*(b3)
0 h	0.0186 ± 0.0021	27.50 ± 0.94
3 h	0.0182 ± 0.0009	26.67 ± 0.52
6 h	0.0169 ± 0.0018	28.18 ± 1.01
12 h	0.0171 ± 0.0016	27.08 ± 0.98
AVERAGE ± STDEV	0.0177 ± 0.0008	27.36 ± 0.64