Optimization and Wear Properties for the Composites of Metal Matrix AA8011/Boron Nitride Using Taguchi Method

Table 5

ANOVA table for wear.

Source	Degrees of freedom	Sum of squares	Mean squares	Variance ratio ()	Contribution %
Volume fraction	2	52.305	28.928	119.6	39.50
Load	2	27.105	13.859	60.8	19.42
Speed	2	41.672	19.782	90.4	29.62
Time	2	0.568	0.342	1.42	0.38
	4	0.989	0.301	0.89	0.71
	4	3.682	0.862	2.89	2.85
	4	2.789	0.586	2.31	1.62
Error	6	1.289	0.289		0.92
Total	26	142.238			100