Influence of chloride ion concentration on initial corrosion of AZ63 magnesium alloy
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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.
Кључне речи:
chloride / corrosion potential / kinetics / linear polarizatio / reaction orderИзвор:
Transactions of Nonferrous Metals Society of China (English Edition), 2022, 32, 4, 1133-1143Издавач:
- Nonferrous Metals Society of China
Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200135 (Универзитет у Београду, Технолошко-металуршки факултет) (RS-MESTD-inst-2020-200135)
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200175 (Институт техничких наука САНУ, Београд) (RS-MESTD-inst-2020-200175)
DOI: 10.1016/S1003-6326(22)65861-8
ISSN: 1003-6326
WoS: 00083549250000
Scopus: 2-s2.0-85129923400
Институција/група
Институт техничких наука САНУ / Institute of Technical Sciences of SASATY - 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 .