Fig. 4

SEM images (100×) of the microstructures of (a) Cu-14Al-4Fe-0.5Co, (b) Cu-14Al-4Fe-1Co, (c) Cu-14Al-4Fe-1.5Co, and (d) Cu-14Al-4Fe-2Co SMAs.

SEM images (100×) of the microstructures of (a) Cu-14Al-4Fe-0.5Co, (b) Cu-14Al-4Fe-1Co, (c) Cu-14Al-4Fe-1.5Co, and (d) Cu-14Al-4Fe-2Co SMAs.