Synthesized Nanoaluminum Oxide with Al2024 to Investigate Wear Behavior by Grey Relational Approach and ANN

Table 3

Wear analysis with grey relation technique.

Composites; samples	Data with standardized		Grey COF		Grey grade	Position
	Wear rate	COF	Wear rate	COF
1	−1.000	−0.145	0.333	0.776	0.55442	6
2	−0.553	−0.076	0.475	0.869	0.67160	3
3	−0.981	−0.296	0.338	0.628	0.48284	9
4	−0.387	−0.461	0.564	0.521	0.54219	7
5	−0.868	−0.332	0.366	0.601	0.48315	8
6	−0.132	−0.688	0.791	0.421	0.60605	4
7	−0.110	−1.000	0.820	0.333	0.57646	5
8	0.000	0.000	1.000	1.000	1.00000	1
9	−0.072	−0.283	0.874	0.639	0.75614	2

COF, coefficient of friction.