Research Article

Surface Integrity of AISI 52100 Steel during Hard Turning in Different Near-Dry Environments

Figure 5

Effect of feed (f mm/rev) on surface roughness (Ra) in near-dry machining environments at (a) 80 m/min, (b) 140 m/min, and (c) 200 m/min cutting speeds.
(a)
(b)
(c)