Figure 6

Microhardness profiles HV0.05 for the best machining conditions. (a) Hardness test depths on the cross-section, (b) Vs = 40 m/s, Vo = 41.47 m/min, (c) Vs = 52.6 m/s, Vo = 13.82 m/min, and (d) Vs = 52.6 m/s, Vo = 41.47 m/min.

Microhardness profiles HV0.05 for the best machining conditions. (a) Hardness test depths on the cross-section, (b) Vs = 40 m/s, Vo = 41.47 m/min, (c) Vs = 52.6 m/s, Vo = 13.82 m/min, and (d) Vs = 52.6 m/s, Vo = 41.47 m/min.