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Influence of chloride ion concentration on initial corrosion of AZ63 magnesium alloy

Thumbnail
2022
1-s2.0-S1003632622658618-main.pdf (1.416Mb)
Authors
Grgur, Branimir
Jugović, Branimir
Gvozdenović, Milica M.
Article (Published version)
Metadata
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Abstract
The initial corrosion behavior of AZ63 magnesium alloy was investigated in 1, 3, 5 and 7 wt.% NaCl solutions by means of corrosion potential, linear polarization, electrochemical impedance spectroscopy, and polarization measurements, during exposure in the corrosion media. Results show that the increase in chloride concentration provokes an increase in the corrosion rate. Based on the obtained kinetics parameters the mechanisms of anodic dissolution and hydrogen evolution reactions were discussed, and kinetic models were proposed. It is concluded that anodic dissolution proceeds under Temkin conditions and hydrogen evolution reaction depends on the surface coverage of Mg(OH)2 species.
Keywords:
chloride / corrosion potential / kinetics / linear polarizatio / reaction order
Source:
Transactions of Nonferrous Metals Society of China (English Edition), 2022, 32, 4, 1133-1143
Publisher:
  • Nonferrous Metals Society of China
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200135 (University of Belgrade, Faculty of Technology and Metallurgy) (RS-200135)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200175 (Institute of Technical Sciences of SASA, Belgrade) (RS-200175)

DOI: 10.1016/S1003-6326(22)65861-8

ISSN: 1003-6326

WoS: 00083549250000

Scopus: 2-s2.0-85129923400
[ Google Scholar ]
4
Handle
https://hdl.handle.net/21.15107/rcub_dais_13013
URI
https://dais.sanu.ac.rs/123456789/13013
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Grgur, Branimir
AU  - Jugović, Branimir
AU  - Gvozdenović, Milica M.
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/13013
AB  - The initial corrosion behavior of AZ63 magnesium alloy was investigated in 1, 3, 5 and 7 wt.% NaCl solutions by means of corrosion potential, linear polarization, electrochemical impedance spectroscopy, and polarization measurements, during exposure in the corrosion media. Results show that the increase in chloride concentration provokes an increase in the corrosion rate. Based on the obtained kinetics parameters the mechanisms of anodic dissolution and hydrogen evolution reactions were discussed, and kinetic models were proposed. It is concluded that anodic dissolution proceeds under Temkin conditions and hydrogen evolution reaction depends on the surface coverage of Mg(OH)2 species.
PB  - Nonferrous Metals Society of China
T2  - Transactions of Nonferrous Metals Society of China (English Edition)
T1  - Influence of chloride ion concentration on initial corrosion of AZ63 magnesium alloy
SP  - 1133
EP  - 1143
VL  - 32
IS  - 4
DO  - 10.1016/S1003-6326(22)65861-8
UR  - https://hdl.handle.net/21.15107/rcub_dais_13013
ER  - 
@article{
author = "Grgur, Branimir and Jugović, Branimir and Gvozdenović, Milica M.",
year = "2022",
abstract = "The initial corrosion behavior of AZ63 magnesium alloy was investigated in 1, 3, 5 and 7 wt.% NaCl solutions by means of corrosion potential, linear polarization, electrochemical impedance spectroscopy, and polarization measurements, during exposure in the corrosion media. Results show that the increase in chloride concentration provokes an increase in the corrosion rate. Based on the obtained kinetics parameters the mechanisms of anodic dissolution and hydrogen evolution reactions were discussed, and kinetic models were proposed. It is concluded that anodic dissolution proceeds under Temkin conditions and hydrogen evolution reaction depends on the surface coverage of Mg(OH)2 species.",
publisher = "Nonferrous Metals Society of China",
journal = "Transactions of Nonferrous Metals Society of China (English Edition)",
title = "Influence of chloride ion concentration on initial corrosion of AZ63 magnesium alloy",
pages = "1133-1143",
volume = "32",
number = "4",
doi = "10.1016/S1003-6326(22)65861-8",
url = "https://hdl.handle.net/21.15107/rcub_dais_13013"
}
Grgur, B., Jugović, B.,& Gvozdenović, M. M.. (2022). Influence of chloride ion concentration on initial corrosion of AZ63 magnesium alloy. in Transactions of Nonferrous Metals Society of China (English Edition)
Nonferrous Metals Society of China., 32(4), 1133-1143.
https://doi.org/10.1016/S1003-6326(22)65861-8
https://hdl.handle.net/21.15107/rcub_dais_13013
Grgur B, Jugović B, Gvozdenović MM. Influence of chloride ion concentration on initial corrosion of AZ63 magnesium alloy. in Transactions of Nonferrous Metals Society of China (English Edition). 2022;32(4):1133-1143.
doi:10.1016/S1003-6326(22)65861-8
https://hdl.handle.net/21.15107/rcub_dais_13013 .
Grgur, Branimir, Jugović, Branimir, Gvozdenović, Milica M., "Influence of chloride ion concentration on initial corrosion of AZ63 magnesium alloy" in Transactions of Nonferrous Metals Society of China (English Edition), 32, no. 4 (2022):1133-1143,
https://doi.org/10.1016/S1003-6326(22)65861-8 .,
https://hdl.handle.net/21.15107/rcub_dais_13013 .

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