Surface Layer States of Worn Uncoated and TiN-Coated WC/Co-Cemented Carbide Cutting Tools after Dry Plain Turning of Carbon Steel

Figure 12

EDX spectrum on rake face of a worn TiN-coated cutting tool for point 2 near the cutting edge. Some elements from the workpiece material were found (cutting conditions: 𝑣_𝑐=150 m/min,  𝑓=0.2 mm/rev, and 𝑎_𝑝=0.1 mm).

(a)

(b)