Figure 5

SEM micrograph of the wear track during t = 240 min (144,000 cycles). (a) HCWCI_F = 5 N, (b) HCWCI _F = 10 N, (c) heat-treated steel AISI P20_F = 5 N, and (d) heat-treated steel AISI P20_F = 10 N.

SEM micrograph of the wear track during t = 240 min (144,000 cycles). (a) HCWCI_F = 5 N, (b) HCWCI _F = 10 N, (c) heat-treated steel AISI P20_F = 5 N, and (d) heat-treated steel AISI P20_F = 10 N.