服役年限

裂纹深度a (mm)

深度累积扩展量Δa (mm)

裂纹长度c (mm)

长度累积扩展量Δc (mm)

0

3.00000

0.00000

30.00000

0.00000

5

3.01537

0.01537

30.00226

0.00226

10

3.03080

0.03080

30.00453

0.00453

15

3.04640

0.04640

30.00683

0.00683

20

3.06206

0.06206

30.00914

0.00914

25

3.07790

0.07790

30.01148

0.01148

30

3.09444

0.09444

30.01392

0.01392

35

3.11053

0.11053

30.01630

0.01630

40

3.12734

0.12734

30.01879

0.01879