a

(μm)

F

Breitznitskii [7]

F

Tweede-Rooke [8]

F (FEA)

Round void

0.023

3.366

3.659

28.343

0.098

2.270

3.150

6.866

0.199

2.370

2.657

3.357

0.598

1.735

1.736

1.943

1.000

1.156

1.382

2.073