Modeling and Analysis for Wear Performance in Dry Sliding of Epoxy/Glass/PTW Composites Using Full Factorial Techniques
Table 6
ANOVA table for specific wear rate.
Source
DOF
Seq SS
Adj SS
Adj MS
-test
-value
(%)
Sliding velocity ()
2
2.06212
2.06212
1.03106
669.36
0.000
44.19
Normal load ()
2
1.08337
1.08337
0.54169
351.66
0.000
23.22
Filler content ()
2
1.06880
1.06880
0.53440
346.93
0.000
22.91
4
0.30911
0.30911
0.07728
50.17
0.000
6.62
4
0.02761
0.02761
0.00690
4.48
0.034
0.60
4
0.10280
0.10280
0.02570
16.68
0.001
2.20
Error
8
0.01232
0.01232
0.00154
0.26
Total
26
4.66613
100
, -Sq = 99.74%, -Sq (adj) = 99.14%. DOF: degrees of freedom; Seq SS: sequential sum of squares; Adj SS: adjusted sum of squares; Adj MS: adjusted mean squares; : percentage of contribution.