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International Journal of Metals
Table of Contents
International Journal of Metals
/
2013
/
Article
/
Tab 4
/
Research Article
Optimization of Conversion Treatment on Austenitic Stainless Steel Using Experimental Designs
Table 4
Doehlert design: theoretical values of coded variables and their levels for the experiments.
No.
Treatment time (s)
(°C)
1
1
0
300
55.00
2
0
180
55.00
3
0.5
0.866
270
60.02
4
210
49.98
5
0.5
270
49.98
6
0.866
210
60.02
7
0
0
240
55.00