Performance of Water-Based Zinc Oxide Nanoparticle Coolant during Abrasive Grinding of Ductile Cast Iron

Table 3

ANOVA results for first-order and water-based zinc oxide nanocoolant.

Source	Degree of freedom	Sum of sq.	𝐹-static	𝑃 value
Single-pass grinding
Model	3	0.00824733	98.4364	<.0001
Error	6	0.00016757
C. total	9	0.00841490
Interaction	2
Lack-of-fit	5	0.00016307	7.2474	0.2745
Pure error	1	0.00000450
Total	6	0.00016757
Multiple-pass grinding
Model	5	19.60468930	262.3551	<.0001
Error	4	0.14945158
C. total	9	19.75414088
Interaction	2
Lack-of-fit	3	0.14878180	44.4271	0.1134
Pure error	1	0.00066978
Total	4	0.14945158