Protective performance of Zr and Cr based silico-oxynitrides used for dental applications by means of potentiodynamic polarization and odd random phase multisine electrochemical impedance spectroscopy

Аннотация

Zr and Cr based silico-oxynitrides were deposited on CoCr dental alloys by cathodic arc evaporation method, at two bias voltages. Potentiodynamic polarization and ORP-multisine EIS were employed to assess the performance of the coatings during 72 h of immersion in artificial saliva. Enhanced corrosion resistance was exhibited by coatings deposited at higher bias voltage, ascribed to the beneficial effect of the more intense ion bombardment during the deposition, which determined a defect-free structure. Among them, ZrSiON200 coating exhibited the highest protective performance in time to the CoCr substrate ascribed to the formation of a stable passive layer inhibiting the corrosion.

Язык оригинала	Английский
Страницы (с-по)	118-128
Число страниц	11
Журнал	Corrosion Science
Том	115
DOI	https://doi.org/10.1016/j.corsci.2016.11.018
Состояние	Опубликовано - 1 фев 2017
Опубликовано для внешнего пользования	Да

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)

Доступ к документу

10.1016/j.corsci.2016.11.018

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Цитировать

Dinu, M., Hauffman, T., Cordioli, C., Vladescu, A., Braic, M., Hubin, A., & Cotrut, C. M. (2017). Protective performance of Zr and Cr based silico-oxynitrides used for dental applications by means of potentiodynamic polarization and odd random phase multisine electrochemical impedance spectroscopy. Corrosion Science, 115, 118-128. https://doi.org/10.1016/j.corsci.2016.11.018

Protective performance of Zr and Cr based silico-oxynitrides used for dental applications by means of potentiodynamic polarization and odd random phase multisine electrochemical impedance spectroscopy. / Dinu, Mihaela; Hauffman, Tom; Cordioli, Chiara; Vladescu, Alina; Braic, Mariana; Hubin, Annick; Cotrut, Cosmin M.

В: Corrosion Science, Том 115, 01.02.2017, стр. 118-128.

Результат исследований: Материалы для журнала › Статья

Dinu, M, Hauffman, T, Cordioli, C, Vladescu, A, Braic, M, Hubin, A & Cotrut, CM 2017, 'Protective performance of Zr and Cr based silico-oxynitrides used for dental applications by means of potentiodynamic polarization and odd random phase multisine electrochemical impedance spectroscopy', Corrosion Science, том. 115, стр. 118-128. https://doi.org/10.1016/j.corsci.2016.11.018

Dinu M, Hauffman T, Cordioli C, Vladescu A, Braic M, Hubin A и соавт. Protective performance of Zr and Cr based silico-oxynitrides used for dental applications by means of potentiodynamic polarization and odd random phase multisine electrochemical impedance spectroscopy. Corrosion Science. 2017 Февр. 1;115:118-128. https://doi.org/10.1016/j.corsci.2016.11.018

Dinu, Mihaela ; Hauffman, Tom ; Cordioli, Chiara ; Vladescu, Alina ; Braic, Mariana ; Hubin, Annick ; Cotrut, Cosmin M. / Protective performance of Zr and Cr based silico-oxynitrides used for dental applications by means of potentiodynamic polarization and odd random phase multisine electrochemical impedance spectroscopy. В: Corrosion Science. 2017 ; Том 115. стр. 118-128.

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abstract = "Zr and Cr based silico-oxynitrides were deposited on CoCr dental alloys by cathodic arc evaporation method, at two bias voltages. Potentiodynamic polarization and ORP-multisine EIS were employed to assess the performance of the coatings during 72 h of immersion in artificial saliva. Enhanced corrosion resistance was exhibited by coatings deposited at higher bias voltage, ascribed to the beneficial effect of the more intense ion bombardment during the deposition, which determined a defect-free structure. Among them, ZrSiON200 coating exhibited the highest protective performance in time to the CoCr substrate ascribed to the formation of a stable passive layer inhibiting the corrosion.",

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AU - Hauffman, Tom

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AU - Vladescu, Alina

AU - Braic, Mariana

AU - Hubin, Annick

AU - Cotrut, Cosmin M.

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AB - Zr and Cr based silico-oxynitrides were deposited on CoCr dental alloys by cathodic arc evaporation method, at two bias voltages. Potentiodynamic polarization and ORP-multisine EIS were employed to assess the performance of the coatings during 72 h of immersion in artificial saliva. Enhanced corrosion resistance was exhibited by coatings deposited at higher bias voltage, ascribed to the beneficial effect of the more intense ion bombardment during the deposition, which determined a defect-free structure. Among them, ZrSiON200 coating exhibited the highest protective performance in time to the CoCr substrate ascribed to the formation of a stable passive layer inhibiting the corrosion.

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