Grindability Evaluation of Ultrasonic Assisted Grinding of Silicon Nitride Ceramic Using Minimum Quantity Lubrication Based SiO2 Nanofluid

Chinese Journal of Mechanical Engineering

Table 5 Design of experiment

Run no.	Oil type	Conc. (wt. %)	Ultrasonic (kHz)	f_t (N)	f_n (N)	R_a (µm)	f_t/f_n	U (J/mm³)
1	Canola	0	0	71.60	144.23	0.5301	0.4964	134.9530
2	Canola	0	20	40.40	100.11	0.4668	0.4036	76.1469
3	Canola	0.5	0	70.22	125.22	0.4792	0.5608	132.3520
4	Canola	0.5	20	36.21	92.36	0.4404	0.3921	68.2494
5	Canola	2	0	66.11	85.51	0.4740	0.7731	124.6060
6	Canola	2	20	29.41	65.08	0.4592	0.4519	55.4326
7	Corn	0	0	73.80	139.89	0.5328	0.5276	139.1000
8	Corn	0	20	41.01	105.01	0.4729	0.3904	77.2777
9	Corn	0.5	0	70.80	126.31	0.4863	0.5605	133.4450
10	Corn	0.5	20	38.20	94.06	0.4402	0.4061	72.0002
11	Corn	2	0	65.02	88.27	0.4752	0.7366	122.5510
12	Corn	2	20	34.40	70.31	0.4627	0.4893	64.8379
13	Sunflower	0	0	73.80	145.25	0.5366	0.5081	139.1000
14	Sunflower	0	20	42.70	102.19	0.4784	0.4179	80.4819
15	Sunflower	0.5	0	71.81	126.13	0.4842	0.5693	135.3490
16	Sunflower	0.5	20	40.63	94.04	0.4512	0.4321	76.5804
17	Sunflower	2	0	68.61	91.20	0.4772	0.7523	129.318
18	Sunflower	2	20	34.80	74.04	0.4690	0.4700	65.5918
19	Flood	–	0	84.00	150.00	0.5614	0.5600	158.3251
20	Flood	–	20	45.80	105.14	0.4566	0.4356	86.3249