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Corrosion of steels due to the action of microorganisms |
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| Authors: | S. Yu. Nizhegorodov S. A. Voloskov V. A. Trusov L. M. Kaputkina T. A. Syur |
| Affiliation: | 1. Omutninsk Iron and Steel Works, Omutninsk, Kirov Oblast, Russia 2. Moscow Institute for Steels and Alloys (MISiS), Moscow, Russia 3. “PermNIPINeft” Company, Perm, Russia |
| Abstract: | The susceptibility of variously alloyed structural steels to microbiological corrosion in media enriched with hydrogen sulfide and favorable for reproduction of sulfate-reducing bacteria is studied. It is shown that stainless steels 05Kh17N4DB and especially nitrogen-alloyed steel 05Kh13A possess a higher anti-adhesive capacity with respect to corrosion-active microorganisms and resistance to microbe fouling and formation of corrosion-active biofilms than the conventional structural steel 38KhGM. It is assumed that the action of nitrogen can be connected with formation of biocide substances. |
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