Efficient and long-lasting corrosion inhibition mechanism of an anionic surfactant on AZ91D Mg alloy in oxalic acid solution
The efficient and long-lasting corrosion inhibition mechanism of bis(2-ethylhexyl) sulfosuccinate sodium (AOT) on AZ91D Mg alloy in oxalic acid solution were studied by electrochemical methods, surface techniques, theoretical calculations and simulations. The findings demonstrated that AOT was an ef...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2024-01-01
|
| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785423032854 |
| _version_ | 1797338275309944832 |
|---|---|
| author | Sisi Liu Lu Luo Hualiang Huang Gangliang Huang |
| author_facet | Sisi Liu Lu Luo Hualiang Huang Gangliang Huang |
| author_sort | Sisi Liu |
| collection | DOAJ |
| description | The efficient and long-lasting corrosion inhibition mechanism of bis(2-ethylhexyl) sulfosuccinate sodium (AOT) on AZ91D Mg alloy in oxalic acid solution were studied by electrochemical methods, surface techniques, theoretical calculations and simulations. The findings demonstrated that AOT was an effective and long-lasting corrosion inhibitor, the corrosion inhibition rate of 6.75 mM AOT was 89.84 % and raised in corrosion inhibition effectiveness with increasing soaking duration. The adsorption of AOT followed Langmuir adsorption isotherm and belonged to physical and chemical mixed adsorption. The polar sulfonyl group of AOT gradually almost vertically adsorbed on its surface to produce a uniform, dense, and thick protective layer to inhibit its corrosion, and the hydrophobicity of the alkyl chain of AOT repelled corrosive medium. |
| first_indexed | 2024-03-08T09:28:41Z |
| format | Article |
| id | doaj.art-3c40c0fad90940cfad784a5f28a83c13 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-03-08T09:28:41Z |
| publishDate | 2024-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-3c40c0fad90940cfad784a5f28a83c132024-01-31T05:44:10ZengElsevierJournal of Materials Research and Technology2238-78542024-01-012828762886Efficient and long-lasting corrosion inhibition mechanism of an anionic surfactant on AZ91D Mg alloy in oxalic acid solutionSisi Liu0Lu Luo1Hualiang Huang2Gangliang Huang3School of Chemistry and Environmental Engineering, Key Laboratory of Green Chemical Process of Ministry of Education, Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, Wuhan Institute of Technology, Wuhan, 430074, PR ChinaSchool of Chemistry and Environmental Engineering, Key Laboratory of Green Chemical Process of Ministry of Education, Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, Wuhan Institute of Technology, Wuhan, 430074, PR China; Corresponding author.School of Chemistry and Environmental Engineering, Key Laboratory of Green Chemical Process of Ministry of Education, Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, Wuhan Institute of Technology, Wuhan, 430074, PR China; Corresponding author.Key Laboratory of Carbohydrate Science and Engineering, Chongqing Normal University, Chongqing, 401331, PR China; Corresponding author.The efficient and long-lasting corrosion inhibition mechanism of bis(2-ethylhexyl) sulfosuccinate sodium (AOT) on AZ91D Mg alloy in oxalic acid solution were studied by electrochemical methods, surface techniques, theoretical calculations and simulations. The findings demonstrated that AOT was an effective and long-lasting corrosion inhibitor, the corrosion inhibition rate of 6.75 mM AOT was 89.84 % and raised in corrosion inhibition effectiveness with increasing soaking duration. The adsorption of AOT followed Langmuir adsorption isotherm and belonged to physical and chemical mixed adsorption. The polar sulfonyl group of AOT gradually almost vertically adsorbed on its surface to produce a uniform, dense, and thick protective layer to inhibit its corrosion, and the hydrophobicity of the alkyl chain of AOT repelled corrosive medium.http://www.sciencedirect.com/science/article/pii/S2238785423032854AZ91D Mg alloyOxalic acidAOTCorrosion inhibitorLong-lasting |
| spellingShingle | Sisi Liu Lu Luo Hualiang Huang Gangliang Huang Efficient and long-lasting corrosion inhibition mechanism of an anionic surfactant on AZ91D Mg alloy in oxalic acid solution Journal of Materials Research and Technology AZ91D Mg alloy Oxalic acid AOT Corrosion inhibitor Long-lasting |
| title | Efficient and long-lasting corrosion inhibition mechanism of an anionic surfactant on AZ91D Mg alloy in oxalic acid solution |
| title_full | Efficient and long-lasting corrosion inhibition mechanism of an anionic surfactant on AZ91D Mg alloy in oxalic acid solution |
| title_fullStr | Efficient and long-lasting corrosion inhibition mechanism of an anionic surfactant on AZ91D Mg alloy in oxalic acid solution |
| title_full_unstemmed | Efficient and long-lasting corrosion inhibition mechanism of an anionic surfactant on AZ91D Mg alloy in oxalic acid solution |
| title_short | Efficient and long-lasting corrosion inhibition mechanism of an anionic surfactant on AZ91D Mg alloy in oxalic acid solution |
| title_sort | efficient and long lasting corrosion inhibition mechanism of an anionic surfactant on az91d mg alloy in oxalic acid solution |
| topic | AZ91D Mg alloy Oxalic acid AOT Corrosion inhibitor Long-lasting |
| url | http://www.sciencedirect.com/science/article/pii/S2238785423032854 |
| work_keys_str_mv | AT sisiliu efficientandlonglastingcorrosioninhibitionmechanismofananionicsurfactantonaz91dmgalloyinoxalicacidsolution AT luluo efficientandlonglastingcorrosioninhibitionmechanismofananionicsurfactantonaz91dmgalloyinoxalicacidsolution AT hualianghuang efficientandlonglastingcorrosioninhibitionmechanismofananionicsurfactantonaz91dmgalloyinoxalicacidsolution AT ganglianghuang efficientandlonglastingcorrosioninhibitionmechanismofananionicsurfactantonaz91dmgalloyinoxalicacidsolution |