Characterization of Zr-based hard coatings for medical implant applications

M. Balaceanu, T. Petreus, V. Braic, C. N. Zoita, A. Vladescu, C. E. Cotrutz, M. Braic

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

ZrCN single layer and Zr/ZrCN multilayered hard coatings, deposited by reactive magnetron sputtering, were investigated as possible candidates to be used as protective layers on medical implants. The elemental composition, hardness and adhesion of the coatings were analyzed. "In vivo" investigations on rats were carried out in order to examine the biomedical effects of coated implants. After 8 weeks of periosseous implantation, the blood parameters and the reaction of the surrounding tissues to the implants were evaluated. For comparison, uncoated stainless steel 316L implants were also investigated. Biological tests revealed that the best humoral immune response was obtained for the multilayer coated implants. Also, hematological analysis showed no significant differences in any of the blood parameters (red and white blood cell counts, hemoglobin concentration, and hematocrit) between the control group (sham operated rats) and the experimental groups formed by rats with coated implants.

Original languageEnglish
Pages (from-to)2046-2050
Number of pages5
JournalSurface and Coatings Technology
Volume204
Issue number12-13
DOIs
Publication statusPublished - 15 Mar 2010
Externally publishedYes

Fingerprint

Hard coatings
rats
Rats
Blood
coatings
blood
blood cell count
hematocrit
leukocytes
Hemoglobin
Reactive sputtering
Stainless Steel
hemoglobin
erythrocytes
Magnetron sputtering
stainless steels
implantation
magnetron sputtering
Multilayers
Hemoglobins

Keywords

  • "In vivo" tests
  • Magnetron sputtering
  • Medical implants
  • ZrCN and Zr/ZrCN coatings

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Balaceanu, M., Petreus, T., Braic, V., Zoita, C. N., Vladescu, A., Cotrutz, C. E., & Braic, M. (2010). Characterization of Zr-based hard coatings for medical implant applications. Surface and Coatings Technology, 204(12-13), 2046-2050. https://doi.org/10.1016/j.surfcoat.2009.11.022

Characterization of Zr-based hard coatings for medical implant applications. / Balaceanu, M.; Petreus, T.; Braic, V.; Zoita, C. N.; Vladescu, A.; Cotrutz, C. E.; Braic, M.

In: Surface and Coatings Technology, Vol. 204, No. 12-13, 15.03.2010, p. 2046-2050.

Research output: Contribution to journalArticle

Balaceanu, M, Petreus, T, Braic, V, Zoita, CN, Vladescu, A, Cotrutz, CE & Braic, M 2010, 'Characterization of Zr-based hard coatings for medical implant applications', Surface and Coatings Technology, vol. 204, no. 12-13, pp. 2046-2050. https://doi.org/10.1016/j.surfcoat.2009.11.022
Balaceanu, M. ; Petreus, T. ; Braic, V. ; Zoita, C. N. ; Vladescu, A. ; Cotrutz, C. E. ; Braic, M. / Characterization of Zr-based hard coatings for medical implant applications. In: Surface and Coatings Technology. 2010 ; Vol. 204, No. 12-13. pp. 2046-2050.
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