Optimization and Prediction of Tribological Behaviour of Al-Fe-Si Alloy-Based Nanograin-Refined Composites Using Taguchi with Response Surface Methodology

Table 3

L27 orthogonal array experimental layout.

Ex. no.	ZrO2 (wt.%)	Load (N)	Disc velocity (m/s)	Sliding distance (m)	SWR ()	S/N ratio (dB)
1	5	9.81	0.94	1000	4.495	-13.055
2	5	9.81	1.88	1500	5.250	-14.403
3	5	9.81	3.76	2000	5.902	-15.420
4	5	19.62	0.94	1500	2.431	-7.716
5	5	19.62	1.88	2000	2.808	-8.968
6	5	19.62	3.76	1000	3.374	-10.563
7	5	29.43	0.94	2000	2.620	-8.366
8	5	29.43	1.88	1000	2.433	-7.723
9	5	29.43	3.76	1500	2.372	-7.502
10	10	9.81	0.94	1500	4.067	-12.185
11	10	9.81	1.88	2000	4.730	-13.497
12	10	9.81	3.76	1000	3.884	-11.786
13	10	19.62	0.94	2000	2.503	-7.969
14	10	19.62	1.88	1000	2.411	-7.644
15	10	19.62	3.76	1500	2.217	-6.915
16	10	29.43	0.94	1000	1.770	-4.959
17	10	29.43	1.88	1500	1.852	-5.353
18	10	29.43	3.76	2000	1.944	-5.774
19	15	9.81	0.94	2000	2.742	-8.761
20	15	9.81	1.88	1000	2.192	-6.817
21	15	9.81	3.76	1500	2.559	-8.161
22	15	19.62	0.94	1000	1.646	-4.329
23	15	19.62	1.88	1500	1.830	-5.249
24	15	19.62	3.76	2000	2.059	-6.273
25	15	29.43	0.94	1500	1.709	-4.655
26	15	29.43	1.88	2000	1.831	-5.254
27	15	29.43	3.76	1000	1.464	-3.311