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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Electrochemical behaviour of high nitrogen stainless steel in acidic solutions
Corrosion Science, Volume 51, No. 5, Year 2009
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Description
The electrochemical behaviour of high nitrogen stainless steel in acidic solutions was studied by potentiodynamic polarization, EIS, Mott-Schottky and XPS. The passive film formed in neutral NaCl solution was very stable, but the stability of the film decreased with the addition of H2SO4 into the solution. The passive film formed in acidic Na2SO4 has a superior protective ability than that in acidic NaCl solution. The stability of the film formed in tested solution decreased with increase of applied potentials. The film formed on steel surface was of n-type semiconductor. Chloride penetration mechanism was proposed for the observed passive film breakdown. © 2009 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Qiao, Yanxin
China, Shenyang
Institute of Metal Research Chinese Academy of Sciences
Zheng, Yugui
China, Shenyang
Institute of Metal Research Chinese Academy of Sciences
Ke, Wei
China, Shenyang
Institute of Metal Research Chinese Academy of Sciences
Okafor, Peter Chukwuemeka
China, Shenyang
Institute of Metal Research Chinese Academy of Sciences
Statistics
Citations: 160
Authors: 4
Affiliations: 1
Identifiers
Doi:
10.1016/j.corsci.2009.02.026
ISSN:
0010938X