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Journal of Materials Science

, Volume 34, Issue 4, pp 851–857 | Cite as

Pitting corrosion inhibition of 316 stainless steel in phosphoric acid-chloride solutions Part I Potentiodynamic and potentiostatic polarization studiess

  • H. A. El Dahan
Article

Abstract

The electrochemical behaviour of 316 stainless steel in H3PO4-CI− solutions containing nitrate, dichromate, tungstate, and molybdate anions as inhibitors are presented and discussed using potentiodynamic and potentiostatic polarization techniques. The results showed that most additives improve the corrosion resistance of the alloy. The additives retard both active and pitting attack to an extent depending on the type and concentration of the additive. Results were correlated with the beneficial action of the corresponding alloying elements.

Keywords

Polymer Nitrate Stainless Steel Corrosion Resistance Molybdate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • H. A. El Dahan
    • 1
  1. 1.Electrochemistry and Corrosion Laboratory,National Research Centre,Dokki, Cairo,Egypt

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