Page 169 - Failure Analysis Case Studies II
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Y z
0
a
s
W
K
3
I-
n
3
K
0 1 2 3 4 5 6 7 0
CRACK DEPTH (mm)
1500
z
A
1000
0
a
s
W
K 0
3 b
I-
n 500
3
K
BRITTLE FRACTURE
0
DEFECT DEPTH (mm)
Fig. 7. Damage tolerance diagrams. (a) Cracks: influence of fracture toughness. (b) Notches: influence of tip
radius.
