Optimization for Tribological Properties of Glass Fiber-Reinforced PTFE Composites with Grey Relational Analysis

Table 4

Experimental results and design of experiments using Taguchi.

Experiment number	⁢Output response		⁢Normalized response
	Wear; µm	COF	Wear	COF	Wear	COF
1	226.24	0.33	0.7364	0.4965	0.2636	0.5035
2	80.13	0.3601	0.9146	0.3661	0.0854	0.6339
3	47.66	0.4446	0.9542	0.0000	0.0458	1.0000
4	48.4	0.362	0.9533	0.3579	0.0467	0.6421
5	10.1	0.4265	1.0000	0.0784	0.0000	0.9216
6	548.21	0.3528	0.3438	0.3977	0.6562	0.6023
7	75.3	0.4183	0.9205	0.1140	0.0795	0.8860
8	250.41	0.35	0.7069	0.4099	0.2931	0.5901
9	81.9	0.3749	0.9124	0.3020	0.0876	0.6980
10	32.96	0.2943	0.9721	0.6512	0.0279	0.3488
11	40.27	0.3587	0.9632	0.3722	0.0368	0.6278
12	830.12	0.27	0.0000	0.7565	1.0000	0.2435
13	10.36	0.3506	0.9997	0.4073	0.0003	0.5927
14	444.18	0.2465	0.4706	0.8583	0.5294	0.1417
15	128.06	0.3072	0.8561	0.5953	0.1439	0.4047
16	161.03	0.276	0.8159	0.7305	0.1841	0.2695
17	48.6	0.2991	0.9530	0.6304	0.0470	0.3696
18	11.91	0.3635	0.9978	0.3514	0.0022	0.6486
19	30.51	0.2829	0.9751	0.7006	0.0249	0.2994
20	725.06	0.2219	0.1281	0.9649	0.8719	0.0351
21	261.31	0.2395	0.6937	0.8886	0.3063	0.1114
22	345.77	0.2138	0.5907	1.0000	0.4093	0.0000
23	85.73	0.2314	0.9078	0.9237	0.0922	0.0763
24	94.65	0.2958	0.8969	0.6447	0.1031	0.3553
25	12.91	0.2232	0.9966	0.9593	0.0034	0.0407
26	19.01	0.2877	0.9891	0.6798	0.0109	0.3202
27	472.97	0.2267	0.4355	0.9441	0.5645	0.0559