Optimization and Mechanical Characteristics of AA6061/Zirconia Nanocomposites Fabricated by Ultrasonic-Aided Stir Casting Method

Table 6

ANOVA on grey relational grade.

Source	SS	DoF	Mean square	value	value
Model	0.1047	8	0.0133	75.23	<0.0002
A	0.01938	1	0.01947	12.32	0.002
B	0.04415	1	0.04415	26.71	0.002
C	0.00222	1	0.00213	13.35	0.011
D	0.00520	1	0.00511	30.76	0.002
E	0.01179	1	0.01179	69.61	0.000
AC	0.00123	1	0.00123	8.14	0.033
BC	0.00446	1	0.00446	26.92	0.002
DE	0.00665	1	0.00665	39.68	0.000
Residual	0.00121	7	0.000182	—	—
Cor. total	0.105	15	—	—	—