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Titolo:
The effects of some anions on metastable pitting of 316L stainless steel
Autore:
Zuo, Y; Wang, HT; Zhao, JM; Xiong, JP;
Indirizzi:
Beijing Univ Chem Technol, Fac Mat Sci & Engn, Beijing 100029, Peoples R China Beijing Univ Chem Technol Beijing Peoples R China 100029 Peoples R China
Titolo Testata:
CORROSION SCIENCE
fascicolo: 1, volume: 44, anno: 2002,
pagine: 13 - 24
SICI:
0010-938X(200201)44:1<13:TEOSAO>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
ELECTROLYTE-COMPOSITION; GROWTH; CORROSION; NUCLEATION; TRANSITION; STABILITY; KINETICS; PITS;
Keywords:
metastable pitting; anions; nucleation; propagation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Zuo, Y Beijing Univ Chem Technol, Fac Mat Sci & Engn, Beijing 100029, Peoples R China Beijing Univ Chem Technol Beijing Peoples R China 100029 R China
Citazione:
Y. Zuo et al., "The effects of some anions on metastable pitting of 316L stainless steel", CORROS SCI, 44(1), 2002, pp. 13-24

Abstract

The effects of PO43-, CrO42-, SO42- and NO3- anions on metastable pitting of 316L stainless steel in NaCl Solutions were investigated using potentiostatic and potentiodynamic polarization tests. The four anions all retard nucleation of metastable pitting. The inhibition effect decreases in the order: PO43- > CrO42- > SO42- > NO3-. The propagation rates of metastable pits are also decreased by the anions tested. Both Metastable pitting potential E-m and stable pitting potential E-p increase almost linearly with the increase of each anion concentration, and have very close increasing slopes. (C) 2001 Elsevier Science Ltd. All rights reserved.

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Documento generato il 01/10/20 alle ore 16:14:34