Modeling and Analysis for Wear Performance in Dry Sliding of Epoxy/Glass/PTW Composites Using Full Factorial Techniques

Table 5

Matrix for 3 × 3 full factorial design and corresponding test output.

Test number	Sliding velocity (𝐴) in m/s	Normal load (𝐵) in Newton	Filler content (𝐶) in Wt%	𝑊𝑠 (× 10^−5 mm^3/Nm)	COF
1	2.5	60	2.5	1.00854	0.417
2	2.5	90	5	0.77110	0.431
3	5	30	2.5	1.77110	0.414
4	2.5	90	2.5	0.96755	0.409
5	7.5	90	2.5	1.41032	0.392
6	5	30	7.5	1.04067	0.446
7	2.5	60	5	0.77110	0.438
8	2.5	30	2.5	1.22993	0.431
9	2.5	90	7.5	0.64648	0.436
10	5	60	5	1.08435	0.418
11	7.5	60	7.5	1.15893	0.443
12	7.5	90	5	1.20484	0.415
13	7.5	30	2.5	2.41067	0.419
14	7.5	90	7.5	0.99336	0.430
15	7.5	30	7.5	1.56100	0.448
16	5	60	7.5	0.87511	0.438
17	5	90	2.5	1.11514	0.390
18	5	60	2.5	1.25453	0.408
19	5	30	5	1.44581	0.425
20	2.5	30	7.5	0.70955	0.451
21	5	90	5	0.97994	0.411
22	2.5	60	7.5	0.63859	0.443
23	7.5	30	5	1.97593	0.434
24	7.5	60	2.5	1.59891	0.406
25	2.5	30	5	0.91568	0.445
26	7.5	60	5	1.42171	0.422
27	5	90	7.5	0.75685	0.432