1968
DOI: 10.1149/1.2411433
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Critical Potentials for Pitting Corrosion of Ni, Cr-Ni, Cr-Fe, and Related Stainless Steels

Abstract: Critical pitting potentials for the binary Cr‐Fe and Cr‐Ni alloys in 0.1N normalNaCl become more noble (correspondingly more resistant to pitting) with increasing normalCr content, particularly in the region 25–40% normalCr and 10–20% Cr, respectively. The potentials for 57.8% Cr‐Fe and pure Cr fall within the transpassive region. Ni containing 3.2% Mo, to the contrary, shows a lower (more active) critical potential; higher per cent Mo‐Ni alloys appear to fall within the transpassive region corroding ano… Show more

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Cited by 171 publications
(78 citation statements)
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“…29) Even if being not necessarily incorporated in the passive film, it is well known that Ni suppresses active dissolution, hinders reductive dissolution of passive films and en-nobles the pitting potential of austenitic stainless steels in chloride containing solutions. 19,30,31) 4.3. Growth of Passive Films under Wet-dry Cyclic Condition As mentioned above, the thin water layer on surface formed by humid atmosphere affects the composition of passive films on stainless steel.…”
Section: Effect Of Chlorides On Chemical Composition Ofmentioning
confidence: 99%
“…29) Even if being not necessarily incorporated in the passive film, it is well known that Ni suppresses active dissolution, hinders reductive dissolution of passive films and en-nobles the pitting potential of austenitic stainless steels in chloride containing solutions. 19,30,31) 4.3. Growth of Passive Films under Wet-dry Cyclic Condition As mentioned above, the thin water layer on surface formed by humid atmosphere affects the composition of passive films on stainless steel.…”
Section: Effect Of Chlorides On Chemical Composition Ofmentioning
confidence: 99%
“…Muitas teorias têm sido propostas acerca do mecanismo de melhoria da resistência à corrosão por pites do aço inoxidável, através da adição de Mo. De acordo com a literatura, inúmeros fatores foram propostos para explicar a ação benéfica do Mo como elemento de liga no aço inoxidável 19,20, .…”
Section: Introductionunclassified
“…O filme passivo crescido sobre o aço inoxidável possui, em determinados locais, uma estrutura cristalina 13 . No entanto, o efeito do Mo no grau de amorfia do filme passivo sobre o aço inoxidável ainda não se encontra estabelecido.O efeito benéfico da presença de Mo na composição química dos aços inoxidáveis, no sentido de aumentar sua resistência à corrosão por pites, em soluções contendo cloreto já é conhecido há algumas décadas, e inúmeros trabalhos abordando esse assunto podem ser citados [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] . Muitas teorias têm sido propostas acerca do mecanismo de melhoria da resistência à corrosão por pites do aço inoxidável, através da adição de Mo.…”
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“…This happens due to a greater affinity of Cr for oxygen rather than chloride ions as discussed by Horvath and Uhlig [182].…”
Section: Alloying Of Nitinolmentioning
confidence: 95%