Influence of the annealing treatment on the structure, morphology, and corrosion resistance of sputtered Zr-Ti-Si-O coatings used for biomedical applications

C. M. Cotrut, L. Braic, D. M. Vranceanu, A. Kiss, M. Dinu, M. Balaceanu, V. Braic, A. Vladescu

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The aim of the present article is to investigate the corrosion resistance of the Zr-Ti-Si-O coatings (as-deposited and annealed) as possible candidate as new biocompatible material. The coatings have been characterized in terms of elemental and phase composition, roughness and corrosion resistance in simulated body fluid (SBF) at 37 °C. The coatings, with a compositional ratio O/(Zr + Ti + Si) of 1.38, were found to consist of a mixture of ZrTiO4, ZrSiO4, Ti2O3, and SiOx phases. The samples annealed in O2 atmosphere at 1100 °C for 30 min resulted in improved crystallinity, increased surface area, surface roughness, and skewness. The results of the electrochemical tests revealed that Zr-Ti-Si-O coatings had improved the corrosion resistance to the aggressive attack of the SBF as compared to the bare Ti6Al4V alloy, the best results being obtained on annealed coatings.

Original languageEnglish
Pages (from-to)552-559
Number of pages8
JournalMaterials and Corrosion
Volume68
Issue number5
DOIs
Publication statusPublished - 1 May 2017
Externally publishedYes

Fingerprint

annealing
Corrosion resistance
corrosion
coating
Annealing
Coatings
body fluid
Body fluids
Surface roughness
skewness
Biocompatible Materials
crystallinity
surface roughness
Phase composition
Biomaterials
roughness
surface area
atmosphere

Keywords

  • biocompatible coatings
  • corrosion resistance
  • magnetron sputtering
  • roughness

ASJC Scopus subject areas

  • Environmental Chemistry
  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

Influence of the annealing treatment on the structure, morphology, and corrosion resistance of sputtered Zr-Ti-Si-O coatings used for biomedical applications. / Cotrut, C. M.; Braic, L.; Vranceanu, D. M.; Kiss, A.; Dinu, M.; Balaceanu, M.; Braic, V.; Vladescu, A.

In: Materials and Corrosion, Vol. 68, No. 5, 01.05.2017, p. 552-559.

Research output: Contribution to journalArticle

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AU - Kiss, A.

AU - Dinu, M.

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