Optimization of Stir-Squeeze Casting Parameters to Analyze the Mechanical Properties of Al7475/B4C/Al₂O₃/TiB2 Hybrid Composites by the Taguchi Method

Table 7

Analysis of variance for HN.

Sources	Df	Seq-SS	Adj-MS	F	P	Contribution (%)
SD	3	375.0	225.01	12.50	0.457	5.71
ME	3	201.3	33.78	21.37	0.577	4.52
SE	3	1828.6	209.52	135.38	0.047	50.26
RT	3	1091.8	197.27	10.36	0.078	38.23
Residual error	3	139.3	546.42			1.28
Total	15	3636