Specimen

B (mm)

a_c (mm)

a_c/W

P_max (N)

K_IC (Mpa * m^1/2)

B > 2.5 (K_IC/s_YS)²

P_max/P_Q

δ_KIC (mm)

M2

17.70

10.54

0.59

1461.11

8.65

23l.62

1.090

0.0122

M3

17.63

10.25

0.57

1488.48

8.30

21.75

1.153

0.0112

M4-EG2

18.00

9.64

0.54

1874.94

9.33

27.475

1.130

0.0141

G1

27.l95

14.18

0.51

4266.51

9.90

30.98

1.130

0.0159

G2

27.78

15.77

0.56

3488.80

10.00

31.57

1.046

0.0162

G3

27.61

16.05

0.57

3437.51

9.98

31.43

1.038

0.0162

G4

27.90

16.01

0.57

3522.20

10.24

33.14

1.044

0.0171

EG01

38.00

19.64

0.52

6967.47

10.64

35.73

1.286

0.0184

EG02

38.11

21.32

0.56

6251.41

10.84

37.25

1.175

0.0192

EG03

38.11

21.87

0.57

5920.14

10.80

37.02

1.222

0.0189

EG04

38.11

21.48

0.56

5781.31

10.16

32.63

1.168

0.0168