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

Table 4

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

Source	Degree of freedom	Sum of sq.	𝐹-static	𝑃 value
Single-pass grinding
Model	5	0.00839245	291.6117	<.0001
Error	4	0.00002245
C. total	9	0.00841490
Interaction	2
Lack-of-fit	3	0.00001795	1.3298	0.5504
Pure error	1	0.00000450
Total	4	0.00002245
Multiple-pass grinding
Model	5	19.69133675	250.8286	<.0001
Error	4	0.06280412
C. total	9	19.75414088
Interaction	2
Lack-of-fit	3	0.06213434	30.9228	0.1313
Pure error	1	0.00066978
Total	4	0.06280412