Table 1.

Experimental results and their corresponding SNRs of filled PTFE composites based on Taguchi $L_{27}$(3⁴) OA.

Trial	Experimental results	Experimental results	Signal to noise ratio	Signal to noise ratio
	µ	Ks (mm3N−1 m−1)	µ SNR(dB)	Ks (dB)
1	0.1115	8.5700E−06	19.05	101.74
2	0.2485	1.3333E−05	12.09	97.91
3	0.1695	9.8361E−06	8.83	92.07
4	0.1930	1.7284E−05	14.29	95.65
5	0.2790	2.2584E−05	11.09	93.34
6	0.2865	6.9217E−06	28.18	103.82
7	0.1335	1.1977E−05	17.49	98.84
8	0.2265	1.7443E−05	12.90	95.58
9	0.5330	1.8281E−05	10.57	91.08
10	0.2735	4.6737E−06	11.26	107.01
11	0.2025	1.5357E−06	13.87	116.69
12	0.2220	3.8251E−06	10.46	115.86
13	0.3035	3.4632E−06	10.36	109.61
14	0.1265	6.7258E−06	17.96	103.86
15	0.9595	6.2096E−06	13.07	112.50
16	0.1115	2.1261E−05	19.05	93.85
17	0.5565	2.8293E−05	5.09	91.38
18	0.4475	1.9563E−05	22.38	88.89
19	0.3680	2.9341E−06	8.68	111.05
20	0.0335	2.9071E−06	29.50	111.14
21	0.0490	2.0864E−06	12.18	116.02
22	0.0855	9.5238E−06	21.36	100.83
23	0.1155	1.2683E−05	18.75	98.35
24	0.2805	8.3789E−06	12.08	104.74
25	0.4025	6.0553E−06	7.90	104.76
26	0.2885	1.1623E−05	10.80	99.11
27	0.3075	1.0403E−05	14.33	110.76