Table 1: Summery of mechanical properties of Ni-42.5 wt.% Ti-7.5 wt.% Cu at different time and temperature aging.

As-rolled Aging 10 min 1 h 8 h 16 h
Time Aging Temp.
Fracture stress (MPa) 272.3 400 ℃ 300.14 559.74 611.05 545.38
Fracture strain (%) 0.95 1.02 1.04 1.33 1.22
Fracture stress (MPa) 272.3 700 ℃ 339.25 421.31 409.78 406.33
Fracture strain (%) 0.95 0.95 1.9 3.63 4.01