Table 4.

Relative density and microhardness of Al-MMC with MC [31, 66, 95, 97, 103–105].

MC	% weight	Matrix element	Relative density (%) (g/cc)	Hardness (HV)	Intermetallic phases
TiC	3	AlSi10	>96	183	Mg2Si and Al9Si
	5	AlSi10	>98.5	160-180	Mg2Si and Al9Si
	5	AlSi15	96.25	145-173	TiC
	5	AlSi10	95.8	139.1	Mg2Si and Al9Si
	10	AlSi15	98.5	177	TiC
	1 : 1	Al9.8Si0.6MgTi	99.7	—	Si4Ti5 and α-Al dendritic
	5	AlSi10Mg	99.75	131	D022-Al3Ti
SiC	15	AlSi10Mg	97.7	217.4	Mg2Si and Al4SiC4
	5	AlSi10Mg	98.5	—	α-Al dendritic network
	10	AlSi10Mg	98	—	Al3.21Si0.47
	15	Pure Al	92	140	Al4C3
	5-15	Al7Si0.3Mg	90	—	Al4SiC4
	20	AlSi10Mg	97.5	218.5	Al4SiC4
	10	Al-12Si	97.4	—	Al4C3
B4C	20	AlSi10Mg	97-99	11.2	Al4C3 and AlB2