Optimization of Drilling Parameters in Sisal-Human Hair Hybrid Composite Using Grey Relational Analysis

Table 6

Grey relational analysis for delamination.

Ex. no.	Fd-entry	Fd-exit	ξi (1)	ξi (2)	ϓi	GRA
1	1.00065	1.00245	0.7896	0.99875	0.89417	5
2	1.00238	1.00375	0.50434	0.99529	0.74982	9
3	1.00469	1.00585	0.33996	0.9898	0.66488	16
4	1.00002	1.00239	0.99509	0.9989	0.997	2
5	1.00195	1.00363	0.55468	0.99563	0.77516	8
6	1.00442	1.00534	0.35348	0.99111	0.67229	15
7	1.00001	1.00198	1	1	1	1
8	1.0019	1.0033	0.56074	0.9965	0.77862	7
9	1.00245	1.00373	0.49721	0.99535	0.74628	10
10	1.00128	1.75229	0.65526	0.33333	0.4943	22
11	1.00239	1.69812	0.50315	0.35019	0.42667	25
12	1.00483	1.5578	0.33333	0.40297	0.36815	27
13	1.00115	1.65713	0.67826	0.36412	0.52119	21
14	1.00229	1.52449	0.51404	0.41793	0.46598	23
15	1.00481	1.46775	0.33419	0.44612	0.39016	26
16	1.00114	1.14004	0.68023	0.73099	0.70561	13
17	1.00229	1.25368	0.51408	0.59847	0.55627	19
18	1.00459	1.31338	0.34502	0.54643	0.44573	24
19	1.00072	1.02881	0.77252	0.93325	0.85289	6
20	1.0024	1.04142	0.50207	0.90487	0.70347	14
21	1.0047	1.12196	0.33947	0.75769	0.54858	20
22	1.0001	1.02691	0.96373	0.93768	0.95071	4
23	1.00206	1.03965	0.54043	0.90876	0.72459	12
24	1.00448	1.09727	0.35061	0.79745	0.57403	18
25	1.00001	1.02383	0.99839	0.94495	0.97167	3
26	1.00199	1.038	0.54919	0.9124	0.7308	11
27	1.0024	1.09073	0.50184	0.80868	0.65526	17