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Table 6 The analysis of HAZ

From: Optimization of PC micro-drilling using a continuous CO2 laser: an experimental and theoretical comparative study

Source

Sum of squares

df

Mean square

F-value

p-value

R2

Model

24995.01

9

2777.22

21.45

0.0003

0.9650

A-power

3120.50

1

3120.50

24.10

0.0017

 

B-exposure time

6728.00

1

6728.00

51.95

0.0002

 

C-FPP

10224.50

1

10224.50

78.95

< 0.0001

 

AB

1560.25

1

1560.25

12.05

0.0104

 

AC

12.25

1

12.25

0.0946

0.7674

 

BC

1122.25

1

1122.25

8.67

0.0216

 

495.67

1

495.67

3.83

0.0913

 

451.04

1

451.04

3.48

0.1043

 

1057.78

1

1057.78

8.17

0.0244