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

Table 2

L27 orthogonal arrays designed by Taguchi method.

S. number	Load; (kg)	Sliding speed; (m/s)	Sliding distance; (km)	% glass fiber
1	1	1.7278	2	0
2	1	1.7278	4	15
3	1	1.7278	6	20
4	1	3.4558	2	15
5	1	3.4558	4	20
6	1	3.4558	6	0
7	1	5.1836	2	20
8	1	5.1836	4	0
9	1	5.1836	6	15
10	2	1.7278	2	15
11	2	1.7278	4	20
12	2	1.7278	6	0
13	2	3.4558	2	20
14	2	3.4558	4	0
15	2	3.4558	6	15
16	2	5.1836	2	0
17	2	5.1836	4	15
18	2	5.1836	6	20
19	3	1.7278	2	20
20	3	1.7278	4	0
21	3	1.7278	6	15
22	3	3.4558	2	0
23	3	3.4558	4	15
24	3	3.4558	6	20
25	3	5.1836	2	15
26	3	5.1836	4	20
27	3	5.1836	6	0