[Retracted] Experimental Analysis and Optimization of Tribological Properties of Self-Lubricating Aluminum Hybrid Nanocomposites Using the Taguchi Approach

Table 5

Experimental design using L₂₇ (3¹³) orthogonal array.

(2^13) L27	A	B	C	D	Wear loss (g)	Signal-to-noise ratio (dB)	Coefficient of friction	Signal-to-noise ratio (dB)
1	0	10	500	1.0	0.0035	49.118	0.149	17.289
2	0	10	1500	1.5	0.0106	38.493	0.162	16.171
3	0	10	2500	2.0	0.0203	33.850	0.177	15.801
4	0	15	500	1.5	0.0069	43.223	0.189	15.353
5	0	15	1500	2.0	0.0164	33.703	0.201	14.712
6	0	15	2500	1.0	0.0268	31.437	0.157	16.782
7	0	20	500	2.0	0.0082	41.723	0.214	14.322
8	0	20	1500	1.0	0.0159	36.756	0.187	15.366
9	0	20	2500	1.5	0.0351	29.093	0.199	14.921
10	5	10	500	1.5	0.0039	48.178	0.157	17.086
11	5	10	1500	2.0	0.0091	40.819	0.166	16.459
12	5	10	2500	1.0	0.0147	36.653	0.140	17.921
13	5	15	500	2.0	0.0041	47.744	0.155	16.359
14	5	15	1500	1.0	0.0101	39.913	0.149	17.623
15	5	15	2500	1.5	0.0230	32.765	0.151	17.292
16	5	20	500	1.0	0.0058	44.731	0.195	15.091
17	5	20	1500	1.5	0.0161	35.863	0.208	14.358
18	5	20	2500	2.0	0.0312	30.116	0.211	14.257
19	10	10	500	2.0	0.0027	51.372	0.169	16.346
20	10	10	1500	1.0	0.0059	44.583	0.161	16.157
21	10	10	2500	1.5	0.0125	39.061	0.173	16.089
22	10	15	500	1.0	0.0037	48.636	0.184	15.467
23	10	15	1500	1.5	0.0098	41.175	0.189	15.761
24	10	15	2500	2.0	0.0182	34.798	0.191	15.368
25	10	20	500	1.5	0.0049	46.196	0.195	15.288
26	10	20	1500	2.0	0.0132	38.588	0.217	14.931
27	10	20	2500	1.0	0.0245	32.216	0.231	13.657