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EnglishThe influence of sodium silicate on the corrosion behaviour of aluminium alloy 7075-T6 in 0.1 M sodium chloride solution was studied by open circuit potential (OCP) and electrochemical impedance spectroscopy (EIS) techniques. Scanning electron microscopy (SEM) was used to characterize the AA7075-T6 surface. Silicate can significantly reduce corrosion deterioration and the inhibition efficiency increases with the concentration of Na2SiO3. The corrosion inhibition mechanism involves the formation of a protective film over the alloy surface by adsorption of aluminosilicate anions from solution, as has also been suggested by others in literature.
Corrosion inhibition of aluminium alloy AA7075-T6 by sodium silicate in chloride solution / Rosalbino, F.; Scavino, G.; Ubertalli, G.. - ELETTRONICO. - (2022), pp. 1-18. [10.5281/zenodo.6543574]
| Titolo: | Corrosion inhibition of aluminium alloy AA7075-T6 by sodium silicate in chloride solution | |
| Autori: | ||
| Data di pubblicazione: | 2022 | |
| Citazione: | Corrosion inhibition of aluminium alloy AA7075-T6 by sodium silicate in chloride solution / Rosalbino, F.; Scavino, G.; Ubertalli, G.. - ELETTRONICO. - (2022), pp. 1-18. [10.5281/zenodo.6543574] | |
| Abstract: | The influence of sodium silicate on the corrosion behaviour of aluminium alloy 7075-T6 in 0.1 M sodium chloride solution was studied by open circuit potential (OCP) and electrochemical impedance spectroscopy (EIS) techniques. Scanning electron microscopy (SEM) was used to characterize the AA7075-T6 surface. Silicate can significantly reduce corrosion deterioration and the inhibition efficiency increases with the concentration of Na2SiO3. The corrosion inhibition mechanism involves the formation of a protective film over the alloy surface by adsorption of aluminosilicate anions from solution, as has also been suggested by others in literature. | |
| Handle: | http://hdl.handle.net/11583/2962780 | |
| Appare nelle tipologie: | 5.15 Pubblicazione su portale |
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| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Silicates.pdf | Articolo principale | 2a Post-print versione editoriale / Version of Record |  | Visibile a tuttiVisualizza/Apri |
http://hdl.handle.net/11583/2962780
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