点 | 2c(mm) | 40 MPa | 80 MPa | 120 MPa |
(MPa·m1/2) | (MPa·m1/2) | (MPa·m1/2) | ||
A | 4 | 3.38 | 6.23 | 9.53 |
B | 8 | 4.63 | 8.58 | 13.83 |
C | 12 | 5.52 | 10.49 | 17.18 |
D | 16 | 6.24 | 12.23 | 20.21 |
E | 20 | 6.89 | 13.77 | 23.00 |
F | 24 | 7.52 | 15.30 | 25.66 |
G | 28 | 8.11 | 16.77 | 28.27 |