The action of micro bio species and some inhibitors on the corrosion of stainless sreel (CROSBI ID 174364)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Lahodny-Šarc, Olga ; Krstulović, Ljiljana ; Kulušić, Biserka ; Sambrailo, Dubravko ; Ivić, Jure
engleski
The action of micro bio species and some inhibitors on the corrosion of stainless sreel
The influence of local factors on the susceptibility to crevice corrosion of stainless steel in seawater has been investigated with soecimens of UNS S31600, 316L in Adriatic Sea, at the location in Dubrovnik, Croatia. Besides the other factors, as salinity, redox potential, oxygen content, temperature and pH, bio species present in the seawater can particularly influence the oxygen cthodic reduction reaction and stimulate crevice corrosion process. Specimens with crevice formers were exposed in natural and biological inert seawater.Crevice phenomena were detected by potential versus time measurement, and by visual and microscopic obsrvation. In another series of experiments the action of ecological corrosion inhibitors, non-toxic carboxylic salts, zinc gluconate and sodium benzoate, has shown the suppression of crevice formation in the seawater.
corrosion; stainless steel; seawater; bioe species; inhibitors
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