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

Figure 11

The normality test of surface height distribution during fatigue. (a) 0 cycle. (b) 2000 cycles. (c) 4000 cycles. (d) 6000 cycles. (e) 8000 cycles. (f) Fracture.

(a)

(b)

(c)

(d)

(e)

(f)