Research Article

Optimization of Conversion Treatment on Austenitic Stainless Steel Using Experimental Designs

Table 6

Main and interactions effects calculated from factorial fractional design 26-1.

Estimates (for responses SS)Estimates (for responses )

76.10.75
−10.4−0.04
7.30.06
2.90.03
−16.1−0.08
3.00.08
−30.40.02
26.20.03
−16.3−0.03
12.40.07
−11.3−0.06

The bold values refer to the most important values according to their levels as it is explain in the text.