The Effect of Stir-Squeeze Casting Process Parameters on Mechanical Property and Density of Aluminum Matrix Composite

Table 6

Analysis of variance for tensile strength.

Sources	DF	Seq SS	Adj SS	Adj MS	F	P	% Contributions
Stir speed (S)	3	10.3664	10.3664	3.4555	2.35	0.0251	41.8
Stir time (T)	3	3.1689	3.1689	1.0563	0.72	0.0604	12.7
Reinforcement (R)	3	0.4721	0.4721	0.1574	0.11	0.0951	1.96
Squeeze pressure (P)	3	6.3835	6.3835	2.1278	1.45	0.0385	25.7
Residual error	3	4.4139	4.4139	1.4713	—	—	17.84
Total	15	24.8048	—	—	—	—	100