In vitro corrosion behavior of Ti-Mo-W alloys in artificial saliva

I. Ghica, C. M. Cotruţ, M. Buzatu, I. V. Antoniac, V. Geantǎ, M. Buţu, M. I. Petrescu, R. Ştefǎnoiu, E. Ungureanu, G. Iacob, R. N. Ionescu

Результат исследований: Материалы для журнала

Выдержка

Titanium and its alloys are preferred materials used for medical devices manufacturing due to their specific properties. The corrosion behavior in artificial saliva of the newly developed Ti-Mo-W alloys, with elastic modulus closer to the human bone value was studied by means of linear polarization technique in the following steps: I) measurement/monitoring of open circuit potential (EOC) over 6 hours; ii) tracing linear polarization curves from ±200 mV (vs. OCP)-Tafel plots, with a scan rate of 0.167 mV/s. Electrochemical tests were performed according to ASTM G59-97 (2014)using a Potentiostat/Galvanostatto which a low current interface (LCI) was coupled. The tests were performedin Fusayama Meyer artificial saliva with a pH of 5.2 at the human body temperature (37±0.5°C) which mimic the oral environment. The results indicate that the alloys Ti15Mo7W and Ti15Mo11W have better corrosion behavior than Ti6Al4V.

Язык оригиналаАнглийский
Номер статьи012028
ЖурналIOP Conference Series: Materials Science and Engineering
Том572
Номер выпуска1
DOI
СостояниеОпубликовано - 2 авг 2019
Опубликовано для внешнего пользованияДа
Событие2019 International Conference on Innovative Research, ICIR EUROINVENT 2019 - Iasi, Румыния
Продолжительность: 16 мая 201917 мая 2019

Отпечаток

Artificial Saliva
Polarization
Corrosion
Titanium alloys
Bone
Titanium
Elastic moduli
Networks (circuits)
Monitoring
Temperature

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Цитировать

In vitro corrosion behavior of Ti-Mo-W alloys in artificial saliva. / Ghica, I.; Cotruţ, C. M.; Buzatu, M.; Antoniac, I. V.; Geantǎ, V.; Buţu, M.; Petrescu, M. I.; Ştefǎnoiu, R.; Ungureanu, E.; Iacob, G.; Ionescu, R. N.

В: IOP Conference Series: Materials Science and Engineering, Том 572, № 1, 012028, 02.08.2019.

Результат исследований: Материалы для журнала

Ghica, I, Cotruţ, CM, Buzatu, M, Antoniac, IV, Geantǎ, V, Buţu, M, Petrescu, MI, Ştefǎnoiu, R, Ungureanu, E, Iacob, G & Ionescu, RN 2019, 'In vitro corrosion behavior of Ti-Mo-W alloys in artificial saliva', IOP Conference Series: Materials Science and Engineering, том. 572, № 1, 012028. https://doi.org/10.1088/1757-899X/572/1/012028
Ghica, I. ; Cotruţ, C. M. ; Buzatu, M. ; Antoniac, I. V. ; Geantǎ, V. ; Buţu, M. ; Petrescu, M. I. ; Ştefǎnoiu, R. ; Ungureanu, E. ; Iacob, G. ; Ionescu, R. N. / In vitro corrosion behavior of Ti-Mo-W alloys in artificial saliva. В: IOP Conference Series: Materials Science and Engineering. 2019 ; Том 572, № 1.
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AU - Antoniac, I. V.

AU - Geantǎ, V.

AU - Buţu, M.

AU - Petrescu, M. I.

AU - Ştefǎnoiu, R.

AU - Ungureanu, E.

AU - Iacob, G.

AU - Ionescu, R. N.

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AB - Titanium and its alloys are preferred materials used for medical devices manufacturing due to their specific properties. The corrosion behavior in artificial saliva of the newly developed Ti-Mo-W alloys, with elastic modulus closer to the human bone value was studied by means of linear polarization technique in the following steps: I) measurement/monitoring of open circuit potential (EOC) over 6 hours; ii) tracing linear polarization curves from ±200 mV (vs. OCP)-Tafel plots, with a scan rate of 0.167 mV/s. Electrochemical tests were performed according to ASTM G59-97 (2014)using a Potentiostat/Galvanostatto which a low current interface (LCI) was coupled. The tests were performedin Fusayama Meyer artificial saliva with a pH of 5.2 at the human body temperature (37±0.5°C) which mimic the oral environment. The results indicate that the alloys Ti15Mo7W and Ti15Mo11W have better corrosion behavior than Ti6Al4V.

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