4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9
Crack Length, a in mm
Figure 6-10: Crack growth rate of BD specimen 95830 with increasing crack length
4 5 6 7 8 9
Crack length, a in mm
10 11 12
Figure 6-11: Crack growth rate of BD specimen 96842 with increasing crack length
4.E-04 I
3.E-04
S3.E-04
2.E-04
2.E-04
1.E-04
2 4 6 8 10
Crack length, a in mm
12 14
Figure 6-12: Crack growth rate of BD specimen 98C21 with increasing crack length
9.E-05
8.E-05
7.E-05
6.E-05
5.E-05
*9 4.E-05
3.E-05