Page 439 - Mechanical Behavior of Materials
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Section 9.5 The Physical Nature of Fatigue Damage 439
Figure 9.19 Stress–life curves for completely reversed bending of smooth specimens, showing
various stages of fatigue damage in an annealed 99% aluminum (1230-0), and in a hardened
6061-T6 aluminum alloy. (Adapted from [Hunter 54] and [Hunter 56]; copyright c ASTM;
reprinted with permission.)

