NDLI: Electrochemical behavior of TiN film coated Ti−Nb alloys for dental materials

Content Provider	Springer Nature Link
Author	Choe, Han Cheol Ko, Yeong Mu Park, Ha Ok
Copyright Year	2006
Abstract	In order to study the electrochemical behaviors of TiN film coated Ti−Nb alloys for dental materials, Ti containing Nb up to 3, 20, and 40 wt.% was melted by a vacuum furnace and coated with TiN by EB-PVD. the electrochemical behaviors were investigated using a potentiostat in 0.9% NaCl solution and the corrosion surface was observed using SEM and XPS. Ti−3Nb and Ti−20Nb alloys have α+β phase structure. In the case of Ti−40Nb, the microstructure had a coarse β phase. The microstructural changed from equiaxed to acicular and an increase of β-phase in Ti−Nb alloys was observed with increased Nb content. The current density at 300 mV (potential of oral environment) of Ti−40Nb alloy was lower than that of the other alloys in 0.9% NaCl. The pitting corrosion resistance of Ti−40Nb was higher than that of Ti−3Nb and Ti−20Nb alloys in the 0.9% NaCl solution. The corrosion potential and pitting potential of TiN coated Ti alloy increased with increasing Nb content but the current density at 300 mV and the current density at the passive region decreased. The TiN coated Ti−40Nb alloy offers good corrosion resistance for dental implants compared with non-TiN coats alloys.
Starting Page	365
Ending Page	369
Page Count	5
File Format	PDF
ISSN	15989623
Journal	Metals and Materials
Volume Number	12
Issue Number	4
Language	English
Publisher	The Korean Institute of Metals and Materials
Publisher Date	2006-01-01
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	dental Implant TiN coating osseointegration pitting corrosion resistance Nb content Metallic Materials Operating Procedures, Materials Treatment Magnetism, Magnetic Materials Engineering Thermodynamics, Heat and Mass Transfer Characterization and Evaluation of Materials Continuum Mechanics and Mechanics of Materials
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Mechanics of Materials Metals and Alloys Condensed Matter Physics

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