Corrosion behavior of TiSiN coatings deposited on Ni-Cr alloy in artificial saliva with and without fluoride

M. Dinu, M. Braic, M. Tarcolea, A. Vladescu, I. Antoniac, C. M. Cotrut

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

TiSiN thin films were deposited on Ni-Cr dental alloy in order to enhance the corrosion resistance in artificial saliva with and without fluoride content. The TiSiN films were prepared using reactive cathodic arc method at two different substrate bias voltages (-50 V and -200 V). For the corrosion evaluation, artificial saliva with pH=5.2 was chosen, because this is a critical value for mineral dissolution of dental tissue which can affect the dental alloys. A content of 0.1 % NaF was added to the artificial saliva to simulate the effect of fluoride based hygiene products. The TiSiN coated Ni-Cr alloys exhibited a higher corrosion resistance than the Ni-Cr substrate, irrespective of the testing environment. The best corrosion resistance was found for the TiSiN deposited at -200 V.

Original languageEnglish
Title of host publicationBiomMedD 2014
EditorsAntoniac Iulian, Miculescu Marian, Sinescu Cosmin, Albu Madalina
PublisherTrans Tech Publications Ltd
Pages47-53
Number of pages7
ISBN (Electronic)9783038354321
DOIs
Publication statusPublished - 1 Jan 2014
Externally publishedYes
Event6th International Conference on Biomaterials, Tissue Engineering and Medical Devices, BiomMedD 2014 - Constanta, Romania
Duration: 17 Sep 201420 Sep 2014

Publication series

NameKey Engineering Materials
Volume638
ISSN (Print)1013-9826

Conference

Conference6th International Conference on Biomaterials, Tissue Engineering and Medical Devices, BiomMedD 2014
CountryRomania
CityConstanta
Period17.9.1420.9.14

Keywords

  • Cathodic arc
  • Dental alloy
  • NaF
  • Roughness
  • TiSiN coating

ASJC Scopus subject areas

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

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  • Cite this

    Dinu, M., Braic, M., Tarcolea, M., Vladescu, A., Antoniac, I., & Cotrut, C. M. (2014). Corrosion behavior of TiSiN coatings deposited on Ni-Cr alloy in artificial saliva with and without fluoride. In A. Iulian, M. Marian, S. Cosmin, & A. Madalina (Eds.), BiomMedD 2014 (pp. 47-53). (Key Engineering Materials; Vol. 638). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.638.47