Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/43477
Title: Effects of dissolved Ca2+ and Mg2+ on passivity of UNS N08800 alloy in simulated crevice chemistries with and without Pb contamination at 300°C
Authors: Lu, BT
Tian, LP
Zhu, RK
Li, N
Shi, SQ 
Luo, JL
Keywords: Anodic films
High temperature corrosion
Passivity
Stainless steel
Issue Date: 2015
Publisher: Pergamon Press
Source: Corrosion science, 2015, v. 100, p. 1-11 How to cite?
Journal: Corrosion science 
Abstract: The effects of Ca2+ and Mg2+ on passivity of UNS N08800 alloy at 300°C are experimentally investigated in simulated crevice chemistries. In the Pb-free solutions, the impacts of Ca2+ and/or Mg2+ are similarly detrimental, but less in extent, as those caused by Pb-contamination, as indicated by the increased passive current density, the lower breakdown potential, the promoted incorporation of hydrogen into the passive films and the formation of the films with highly defective structures containing more MOH bonds. However, when Ca2+ and/or Mg2+ are/is concurrently present with Pb cation, they mitigate the detrimental impact of lead on the passivity.
URI: http://hdl.handle.net/10397/43477
ISSN: 0010-938X
DOI: 10.1016/j.corsci.2015.05.042
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