Kinetics of Galvanostatic Chloride Pitting of Stainless Steels in Chloride Solutions
I. I. Zamaletdinov
Perm State Technical University, Komsomol’skii pr. 29a, Perm, 614600 Russia
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Received March 12, 2001; in final form, July 15, 2003
Abstract — To check the theory, the corrosion of steels 12
18
10
and 10
17
13
2
is studied during galvanostatic polarization at different 
, current densities, and temperatures. The morphology and size distribution of pits are discussed. In E vs. log
curves are shown to demonstrate a single linear segment for steel 12
18
10
and two linear segments for 10
17
13
2
(as for pure Fe, according to the literature data [12]), namely, the initial segment with a steep slope and the later one with more gentle slope. The single slope 
E/
of steel 12
18
10
and the later (gentle) slope, which is observed for both steel 10
17
13
2
and Fe, correspond to those predicted in [3, 4, 7], while the earlier steep slope corresponds to crevice-type pitting.
1810 and 1017132 is studied during galvanostatic polarization at different , current densities, and temperatures. The morphology and size distribution of pits are discussed. In E vs. log curves are shown to demonstrate a single linear segment for steel 121810 and two linear segments for 1017132 (as for pure Fe, according to the literature data [12]), namely, the initial segment with a steep slope and the later one with more gentle slope. The single slope E/of steel 121810 and the later (gentle) slope, which is observed for both steel 1017132 and Fe, correspond to those predicted in [3, 4, 7], while the earlier steep slope corresponds to crevice-type pitting.