Effect of Ta Additions on the Microstructure, Damping, and Shape Memory Behaviour of Prealloyed Cu-Al-Ni Shape Memory Alloys

Figure 5

Stress-strain curves of Cu-Al-Ni-xTa SMAs loaded and unloaded at 200°C and then preheated to 300°C. (a) Cu-Al-Ni and Cu-Al-Ni-xTa SMAs with various Ta content: (b) 1.0, (c) 2.0, and (d) 3.0 wt.%.

(a)

(b)

(c)

(d)