Page 381 - Mechanical Behavior of Materials
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382 Chapter 8 Fracture of Cracked Members
40
40
L-T
T-L L-T 30
30
K , MPa m Ic 20 L-T T-L S-L S-L T-L S-L 20 K , ksi in Ic
10
10
0 0
2014 2219 7075
-T651 -T851 -T651
Figure 8.40 Designations for crack plane and growth direction in rectangular sections,
and some corresponding effects on fracture toughness in plates of three aluminum alloys.
(Top from [ASTM 97] Std. E399; copyright c ASTM; reprinted with permission. Bottom from
data in [MILHDBK 94] pp. 3.10 and 3.11.)