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Corrosion behavior of CuCrFeNiMn high entropy alloy system in 1 M sulfuric acid solution / B. Ren in Materials and corrosion, Vol. 63 N° 9 (Septembre 2012) 

Public ISBD [article]  in Materials and corrosion > Vol. 63 N° 9 (Septembre 2012) . - pp. 828–834 Titre : Corrosion behavior of CuCrFeNiMn high entropy alloy system in 1 M sulfuric acid solution Type de document : texte imprimé Auteurs : B. Ren, Auteur ; Z. X. Liu, Auteur ; D. M. Li, Auteur Année de publication : 2013 Article en page(s) : pp. 828–834 Note générale : Génie mécanique Langues : Anglais (eng) Mots-clés : Corrosion  resistance;  Galvanic  corrosion;  high-entropy  alloy;  segregation  degree Résumé : Immersion tests and potentiodynamic polarization measurements were conducted in 1 M sulfuric acid solution (H2SO4) at ambient temperature (∼25 °C) to investigate the corrosion behavior of CuCrFeNiMn alloy system. The results show that the alloys display a good general corrosion resistance that is mainly influenced by the Cu content and elemental segregation degree. The corrosion resistance degrades when increasing Cu content and elemental segregation degree. Among the tested alloys, the CuCr2Fe2Ni2Mn2 alloy with low Cu content and elemental segregation degree displays a better general corrosion resistance. On the contrary, the Cu2CrFe2NiMn2 alloy with high Cu content and elemental segregation degree exhibits the worst general corrosion resistance. En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201106072/abstract [article] Corrosion behavior of CuCrFeNiMn high entropy alloy system in 1 M sulfuric acid solution [texte imprimé] / B. Ren, Auteur ; Z. X. Liu, Auteur ; D. M. Li, Auteur . - 2013 . - pp. 828–834. Génie mécanique Langues : Anglais (eng) in Materials and corrosion > Vol. 63 N° 9 (Septembre 2012) . - pp. 828–834 Mots-clés : Corrosion  resistance;  Galvanic  corrosion;  high-entropy  alloy;  segregation  degree Résumé : Immersion tests and potentiodynamic polarization measurements were conducted in 1 M sulfuric acid solution (H2SO4) at ambient temperature (∼25 °C) to investigate the corrosion behavior of CuCrFeNiMn alloy system. The results show that the alloys display a good general corrosion resistance that is mainly influenced by the Cu content and elemental segregation degree. The corrosion resistance degrades when increasing Cu content and elemental segregation degree. Among the tested alloys, the CuCr2Fe2Ni2Mn2 alloy with low Cu content and elemental segregation degree displays a better general corrosion resistance. On the contrary, the Cu2CrFe2NiMn2 alloy with high Cu content and elemental segregation degree exhibits the worst general corrosion resistance. En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201106072/abstract