Table 3 Variance analysis of the {I1, I2, I3, IA, ICV}.

From: Experimental investigation and quantitative prediction in interference-fit size of CFRP riveted joints under a transversal ultrasonic vibration-assisted riveting

Type

Factor

Freedom

Seq SS

Adj SS

Adj MS

F

P

Significant

I1

Model

9

0.000274

0.000274

0.000030

6.02

0.001

Yes

C1

1

0.000142

0.000075

0.000075

14.91

0.001

C2

1

0.000043

0.000025

0.000025

5.04

0.038

C3

1

0.000011

0.000009

0.000009

1.77

0.200

I2

Model

9

0.000332

0.000332

0.000037

4.94

0.002

Yes

C1,

1

0.000209

0.000109

0.000109

14.61

0.001

C2

1

0.000051

0.000033

0.000033

4.38

0.052

C3

1

0.000002

0.000001

0.000001

0.18

0.674

I3

Model

9

0.000121

0.000121

0.000013

4.29

0.005

Yes

C1

1

0.000044

0.000013

0.000013

4.04

0.060

C2

1

0.000052

0.000017

0.000017

5.55

0.031

C3

1

0.000000

0.000001

0.000001

0.24

0.628

IA

Model

9

0.000218

0.000218

0.000024

7.14

0.00001

Yes

C1

1

0.000121

0.000057

0.000057

16.75

0.001

C2

1

0.000048

0.000024

0.000024

7.91

0.016

C3

1

0.000002

0.000003

0.000003

0.83

0.375

ICV

Model

9

0.016178

0.016178

0.001798

1.16

0.378

No

C1

1

0.000047

0.001062

0.001062

0.69

0.419

C2

1

0.000902

0.003144

0.003144

2.03

0.173

C3

1

0.006364

0.001814

0.001814

1.17

0.294