Influence of Grain Boundary on the Fatigue Crack Growth of 7050-T7451 Aluminum Alloy Based on Small Time Scale Method

<div>Micromorphology of fatigue crack: (a) at 77 cycles and (b) at 99 cycles.</div>

Advances in Materials Science and Engineering

Figure 4: Influence of Grain Boundary on the Fatigue Crack Growth of 7050-T7451 Aluminum Alloy Based on Small Time Scale Method 