TEM Nanostructural Study of Al-6Si-3Cu-𝑥Mg Melt-Spun Ribbons

Figure 4

(a) HRTEM micrograph of the alloy with 0.59% Mg showing $\theta$ nanocrystallites; (b) FFT of the image; (c) frequencies corresponding to $\theta$ to produce the IFFT image and (d) IFFT image isolating the $\theta$ nanoparticles.

(a)

(b)

(c)

(d)