A Novel Approach for Dry Cutting Inconel 718 in a More Sustainable and Low-Cost Way by Actively and Purposely Utilizing the Built-Up Layer.

And the crater wear area has a decreasing trend with the cutting time, which indicates the workpiece material is accumulating on the tool rake face and the thin BUL is growing.

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On the other hand, as shown in Figure 36 b,d, it can be found that at 30 m/min, although VB in the tool initial wear stage (~60 s) at different feed rates is very close, the average flank wear rate in the steady-state stage (>60 s) has an increasing trend as the feed rate increases up to 0.2 mm/rev due to the severe cutting condition at larger feed rates.

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