Mechanical Performance of Zr-Containing 354-Type Al-Si-Cu-Mg Cast Alloy: Role of Additions and Heat Treatment

Table 6

Variation in average UTS, YS, % El, and Q values of the alloys studied in as-cast and T5- and T6-treated conditions obtained at 250°C.

Alloy	Condition	UTS (MPa)	YS (MPa)	% El	Q (Equation (1))
M1S	As-cast	169.95	157.56	3.67	254.65
	T5	172.07	161.51	2.02	217.91
	T6	217.65	213.65	1.92	260.14
M2S	As-cast	186.32	172.84	2.25	239.15
	T5	196.25	178.85	1.60	226.71
	T6	223.72	222.33	2.15	273.65
M3S	As-cast	175.76	162.84	2.85	243.99
	T5	181.07	177.45	1.61	212.16
	T6	248.74	245.62	1.54	276.68
M4S	As-cast	180.53	167.35	1.77	217.57
	T5	181.86	179.13	1.32	199.85
	T6	253.58	253.32	1.06	257.35
M5S	As-cast	176.48	162.32	2.45	234.92
	T5	191.10	184.02	1.76	227.86
	T6	222.09	220.55	1.32	239.96