High Speed Grinding of EN31 Steel with Alumina Nanofluid Coolant

Table 11

Surface roughness reduction by coolant and lubricant at a constant depth of cut.

DoC	10 μm		20 μm		30 μm		40 μm
Feed	Wet than dry (%)	Nanofluid than wet (%)	Wet than dry (%)	Nanofluid than wet (%)	Wet than dry (%)	Nanofluid than wet (%)	Wet than dry (%)	Nanofluid than wet (%)
mm/sec
100	2.44	4.17	7.50	13.51	12.80	25.54	23.61	19.55
125	4.02	20.96	12.38	15.22	16.00	22.38	19.02	9.72
150	2.87	9.85	15.75	12.17	23.05	19.48	24.26	25.49
175	11.19	16.93	25.45	10.04	26.59	22.59	22.44	34.16