Empirical Study of the Effect of Nanocoolant Particles on Corrosion Rate of 316 Stainless Steel

Table 8

Matrix of CCD experimental design using two variables.

Code		Original
Rotational speed (rpm)	Temperature (°C)	Rotational speed (rpm)	Temperature (°C)
1	1	1100	60
1	-1	1100	40
-1	1	300	60
-1	-1	300	40
1.4	0	1500	50
-1.4	0	0	50
0	1.4	700	70
0	-1.4	700	30
0	0	700	50
0	0	700	50