Generation and Evolution Conditions of Polygonal Wear of High-Speed Wheel

Figure 7

Wheel wear shape at different speeds. (a)  = 240 km/h, N = 25.22. (b)  = 260 km/h, N = 23.2. (c)  = 262 km/h, N = 23. (d)  = 335 km/h, N = 18.

(a)

(b)

(c)

(d)