Multifeature Extraction of Three-Dimensional Topography of Carbon Steel Specimen during Fatigue Process

Figure 6

Macro- and micromorphology of fatigue fracture. (a) The macroscopic morphology of the fatigue fracture. (b) The fatigue crack propagation region (1000X). (c) The final fracture region (1000X). (d) The final fracture region (2000X).

(a)

(b)

(c)

(d)