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

Table 3

Microhardness values for ribbons and ingots.

Mg content (wt%)	Microhardness (Vickers hardness no.)
	Ribbons	Ingots
0.59	$164.3\pm 4.2$	$86.4\pm 3.4$
3.80	$183.4\pm 4.1$	$88.2\pm 2.6$
6.78	$190.6\pm 5.2$	$87.7\pm 2.1$