Research Article

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

Figure 2

Morphologies of the milled powder and homogenized Cu-Al-Ni SMAs with and without Ta addition: ((a) and (e)) 0 wt.% Ta; ((b) and (f)) 1.0 wt.% Ta; ((c) and (g)) 2.0 wt.% Ta; ((d) and (h)) 3.0 wt.%; (i) EDS spectrums, (j) XRD diffraction of Cu-Al-Ni-2.0 wt.% Ta SMA; and (k) the magnified porosity with 3.0 wt.% Ta addition.