Corrosion resistance of passive films on different stainless steel grades in food and beverage industry

Risultato della ricerca: Article

1 Citazioni (Scopus)

Abstract

Passive films were grown on 304 L, 316 L and Duplex stainless steels by immersion at open circuit potential in solutions mimicking food and beverage industry environments. In acidic food stainless steel surfaces are covered by Cr rich passive films, and generalized dissolution occurs on their surface with consequent ions release into the electrolyte. In fatty food the concentration of released ions is significantly lower since generalized corrosion does not occur, but the loss on MnS inclusions strongly reduces the polarization resistance in this environment especially for 304 L due to its higher localized corrosion susceptibility with respect to the other grades.
Lingua originaleEnglish
pagine (da-a)108778-
Numero di pagine12
RivistaCorrosion Science
Volume173
Stato di pubblicazionePublished - 2020

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)

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