Research Article

Experimental Investigation and FE Analysis on Constitutive Relationship of High Strength Aluminum Alloy under Cyclic Loading

Figure 10

Microfailure modes of fracture surface.
(a) Monotonic loading (M1)
(b) Constant-amplitude cyclic loading (H2)
(c) Gradual cyclic loading (H5)
(d) Fatigue failure (H1)