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International Scholarly Research Notices
Table of Contents
International Scholarly Research Notices
/
2014
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Article
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Tab 4
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Research Article
A Study on the Influence of Hot Press Forming Process Parameters on Flexural Property of Glass/PP Based Thermoplastic Composites Using Box-Behnken Experimental Design
Table 4
ANOVA for response surface quadratic model of flexural strength.
Source
Sum of squares
Df
Mean square
value
value
Model
2228.03
9
247.56
11.72
0.0072
X1-pressure
323.22
1
323.22
15.30
0.0113
X2-temp.
117.73
1
117.73
5.57
0.0647
X3-time
60.50
1
60.50
2.86
0.1514
X1X2
96.63
1
96.63
4.57
0.0855
X1X3
4.77
1
4.77
0.23
0.6545
X2X3
176.23
1
176.23
8.34
0.0343
X1
2
449.01
1
449.01
21.25
0.0058
X2
2
408.05
1
408.05
19.32
0.0071
X3
2
518.05
1
518.05
24.52
0.0043
Residual
105.62
5
24.52
Lack of fit
105.62
3
21.12
Pure error
0.000
2
35.21
Cor. total
2333.65
14
0.000