Investigation of Corrosion Rate of Mild Steel in Fruit Juice Environment Using Factorial Experimental Design

Table 3

General factorial design with three process parameters and responses on mild steel.

Experiment number	Media	Duration (days)	Thickness (mm)	Corrosion rate (mmpy)
1	3	1	1	0.28
2	3	4	1	0.12
3	3	3	1	0.14
4	3	3	2	0.29
5	3	1	2	0.71
6	3	2	2	0.41
7	3	5	2	0.23
8	3	2	1	0.19
9	3	5	1	0.11
10	3	4	2	0.25
11	1	4	2	0.28
12	1	2	1	0.16
13	1	4	1	0.09
14	1	2	2	0.41
15	1	3	2	0.34
16	1	1	1	0.19
17	1	1	2	0.51
18	1	3	1	0.12
19	1	5	1	0.08
20	1	5	2	0.24
21	2	2	2	0.39
22	2	4	2	0.25
23	2	5	2	0.21
24	2	4	1	0.21
25	2	2	1	0.35
26	2	1	1	0.48
27	2	1	2	0.54
28	2	5	1	0.08
29	2	3	2	0.31
30	2	3	1	0.27