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

Figure 11

SEM images of white layer for different near-dry machining environments at cutting speed, 200 m/min and feed, 0.2 mm/rev. (a) Dry environment; (b) CCAVT environment; (c) MQCL environment; (d) Hybrid NF-MQCL environment.

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(b)

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