Influence of thermal treatment on the roughness, corrosion resistance and wettability of hydroxyapatite films deposited by RF magnetron sputtering

M. Dinu, A. E. Kiss, A. C. Parau, V. Braic, C. Vitelaru, M. Braic, I. Pana, M. Balaceanu, A. Vladescu

Результат исследований: Материалы для журнала

1 цитирование (Scopus)

Выдержка

In this paper we report on the preparation and characterization of hydroxyapatite coatings deposited on Ti6Al4V alloy by magnetron sputtering deposition method. The amorphous deposited coatings were thermal annealed in a flux of dry nitrogen and water vapours at 800 °C for 30 and 120 minutes, in order to investigate the effect of this treatment on surface roughness, corrosion resistance and wettability. The films were characterized by surface profilometry, electrochemical tests and contact angle measurements. After annealing, the hydroxyapatite coatings became crystalline, exhibiting rougher surfaces, higher corrosion resistance and lower contact angles. We have demonstrated that the hydroxyapatite coating annealed at 800°C for 30 minutes represents a good candidate to be used for medical implants, due to its superior corrosion behaviour and good wettability.

Язык оригиналаАнглийский
Страницы (с-по)297-302
Число страниц6
ЖурналKey Engineering Materials
Том587
DOI
СостояниеОпубликовано - 1 янв 2014
Опубликовано для внешнего пользованияДа
Событие25th Symposium and Annual Meeting of the International Society for Ceramics in Medicine, ISCM 2013 - Bucharest, Румыния
Продолжительность: 7 ноя 201310 ноя 2013

Отпечаток

Durapatite
Hydroxyapatite
Magnetron sputtering
Corrosion resistance
Wetting
Surface roughness
Heat treatment
Coatings
Contact angle
Profilometry
Steam
Angle measurement
Water vapor
Nitrogen
Annealing
Corrosion
Fluxes
Crystalline materials

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Цитировать

Influence of thermal treatment on the roughness, corrosion resistance and wettability of hydroxyapatite films deposited by RF magnetron sputtering. / Dinu, M.; Kiss, A. E.; Parau, A. C.; Braic, V.; Vitelaru, C.; Braic, M.; Pana, I.; Balaceanu, M.; Vladescu, A.

В: Key Engineering Materials, Том 587, 01.01.2014, стр. 297-302.

Результат исследований: Материалы для журнала

Dinu, M. ; Kiss, A. E. ; Parau, A. C. ; Braic, V. ; Vitelaru, C. ; Braic, M. ; Pana, I. ; Balaceanu, M. ; Vladescu, A. / Influence of thermal treatment on the roughness, corrosion resistance and wettability of hydroxyapatite films deposited by RF magnetron sputtering. В: Key Engineering Materials. 2014 ; Том 587. стр. 297-302.
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AU - Kiss, A. E.

AU - Parau, A. C.

AU - Braic, V.

AU - Vitelaru, C.

AU - Braic, M.

AU - Pana, I.

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AB - In this paper we report on the preparation and characterization of hydroxyapatite coatings deposited on Ti6Al4V alloy by magnetron sputtering deposition method. The amorphous deposited coatings were thermal annealed in a flux of dry nitrogen and water vapours at 800 °C for 30 and 120 minutes, in order to investigate the effect of this treatment on surface roughness, corrosion resistance and wettability. The films were characterized by surface profilometry, electrochemical tests and contact angle measurements. After annealing, the hydroxyapatite coatings became crystalline, exhibiting rougher surfaces, higher corrosion resistance and lower contact angles. We have demonstrated that the hydroxyapatite coating annealed at 800°C for 30 minutes represents a good candidate to be used for medical implants, due to its superior corrosion behaviour and good wettability.

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