An Overview of Semisolid Processing of Aluminium Alloys

Table 2

Examples of the rheocast quality index for modified A356 aluminium alloys.

Process	Starting alloy	Modified alloys	Feedstock production method	Grain size (𝜇m)	Rheocast quality index
		Al-7Si-0.5Mg		137 ± 18	0.35
		Al-4Si-0.5Mg		106 ± 34	0.43
Thixoforming; (Paes and Zoqui) [30]	A356, Mg-10Al, and Al pure	Al-1Si-0.5Mg	Ultrarefining technique	74 ± 9	0.61
		Al-7Si-1.0Mg		237 ± 58	0.08
		Al-4Si-1.0Mg		157 ± 32	0.12
		Al-1Si-1.0Mg		74 ± 7	0.61