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International Journal of Metals
Table of Contents
International Journal of Metals
/
2013
/
Article
/
Tab 6
/
Research Article
Experimental Investigation of the Corrosion Behavior of Friction Stir Welded AZ61A Magnesium Alloy Welds under Salt Spray Corrosion Test and Galvanic Corrosion Test Using Response Surface Methodology
Table 6
ANOVA test results for galvanic corrosion test.
Source
Sum of squares
df
Mean square
value
value
Prob >
Model
9
27.66
<0.0001
Significant
1
92.93
<0.0001
1
10.64
0.0085
1
117.12
<0.0001
1
4.67
0.0559
1
4.73
0.0547
1
5.67
0.0385
1
2.82
0.1238
1
6.51
0.0287
1
3.09
0.1091
Residual
10
Lack of fit
5
2.39
0.1808
Not significant
Pure error
5
Cor total
19