Fig. 12


AI-response surface between DOC and FR for workpiece surface roughness (a) Uncoated WC, minimum CS (b) Uncoated WC, maximum CS (c) TiN/WC, minimum CS (d) TiN/WC, maximum CS (e) TiCN/WC, minimum CS (f) TiCN/WC, maximum CS (g) TiAlN(50:50)/WC, minimum CS (h) TiAlN(50:50)/WC, maximum CS (i) TiAlN(70:30)/WC, minimum CS (j) TiAlN(70:30)/WC, maximum CS (k) TiAlN(80:20)/WC, minimum CS (l) TiAlN(80:20)/WC, maximum CS.