Multifunctional materials with bioactive effect used in implantology - MULTIBIOMAT

Funding agency: PNCDI II - CNMP,  Project 71-080/2007

 

Coordinator - “Politehnica” University – CEMS

 Project manager: Prof. Dr. Eng. Georgeta Cosmeleata

Partner - INOE 2000 –Magurele

 Partner project manager: Dr. Viorel Braic

Partner - Spital Coltea

 Partner project manager: Dr. Roxana-Nicoleta Siliste

Partner – ZIROM SA

 Partner project manager: Eng. Stefan Crangea

Partner - SC Prelucrari metalurgice PROD SRL

 Partner project manager: Eng. Dorel Nedelcu

 

Objective

Novel coatings for surface biofunctionalization, design, deposition and tests.

 

Specific objectives for INOE 2000:

v  Novel coatings with bioactive effect for implantology: deposition and characterization: composition, thickness, adhesion, thickness

 

Results:

  1. Deposition method: reactive magnetron sputtering

 

 

Set-up and photograph of the deposition system

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. Investigated coatings: TiNO, ZrNO

Auger electron spectroscopy spectra of TiNO (left) and ZrNO (right) coatings

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AFM images of TiNO (left) and ZrNO (right) coatings with RMS roughness less than 2 nm.

 

 

Microhardness of the coatings deposited on different metal substrates

 

 

Coating

Substrate

HV0.015 (GPa)

TiNO

316 L

14 ± 2

Ti5Al2.5Fe

12 ± 2

ZrNO

316 L

15 ± 3

Ti5Al2.5Fe

14 ± 2

 

 

 

 

 

 

 

 

 

 

 

         Adhesion of TiNO (left) and ZrNO (right) coatings                                          Coatings microhardness

        Coatings thickness: 2.2 µm, @ normal force F= 5 N

 

 

  1. Published papers

 

-           Preparation and characterization of titanium oxy-nitride thin films, M. Braic, M. Balaceanu, A. Vladescu, A. Kiss, V. Braic, G. Epurescu, G. Dinescu, A. Moldovan, R. Birjega, M. Dinescu, Applied Surface Science, 253 (2007) 8210-8214, doi: 10.1016/j.apsusc.2007.02.179

-           On some characteristics of Ti oxynitrides obtained by pulsed magnetron sputtering, M. Braic, V. Braic, M. Balaceanu, A. Kiss, C.M. Cotrut, P. Drob, A. Vladescu, C. Vasilescu, Plasma Processes and Polymers, 4 (2007) S171 –S174, doi: 10.1002/ppap.200730605

-          Structural, mechanical and corrosion properties of TiNO/ZrNO multilayer coatings, M. Balaceanu, V. Braic, M. Braic, C.N. Zoita, A. Vladescu, P. Drob, C. Vasilescu, D. Dudu, O. Muresanu, Surface and Coatings Technology, 202 (2008) 2384-2388, doi: 10.1016/j.surfcoat.2007.09.032

-          Multi-purpose Materials with Bioactive Effect Intended for Implantology, I. Nedelcu, G. Cosmeleata, I. Carceanu, I.A. Cojanu, D. Nedelcu, M. Braic, Metalurgia International, 14 (2009) 57-60

-           Ti-base alloys functionalized by biocompatible TiON respectively TiO2 layers, I. Carceanu, A. Veteleanu, I. Nedelcu, P.N. Manicatide, M. Braic, N. Boca, Metalurgia International, 5 (2011) 38-42

 

  1. Presentation at national and international conferences

 

1.       Structural, mechanical and corrosion properties of TiNO/ZrNO multilayer coatings, A.Vladescu, A.Kiss, V.Braic, C.N.Zoita, P.Drob, M.Balaceanu, C.Vasilescu, M.Braic, Conferinta Internationala E-MRS Spring 2007, Strasbourg, Franta 30 mai-2 iunie 2007.

2.       On some properties  of Ti and Zr nitride and oxynitride  multilayer coatings deposited by the pulsed magnetron sputtering method, M. Braic, M. Balaceanu, V. Braic, A. Kiss, C. Zoita, A. Vladescu, MAGNETRON 2008 "5e Journées sur les nouvelles tendances en procédés magnétron et arc pour le dépôt de couches minces"4 - 5 Juin 2008, Lyon, France

3.       Preparation and characterization of Ti and Zr based oxy-nitride thin films, M. Braic, M. Balaceanu, V. Braic, C.N. Zoita, 8-th International Balkan Workhop on Applied Physics, IBWAP 5-7 Iulie 2008, Constanta

4.       Preparation and biological evaluation of Zr-based hard coatings for osteosynthesis purposes, M. Balaceanu, A. Vladescu, I. Antoniac, C. Cotrut, M. Braic, The Eleventh International Conference on Plasma Surface Engineering - PSE 2008- , 15 – 19 September 2008, Garmisch-Partenkirchen, Germany.

 

5.       Patents

 

·         RO128758 (B1)/2018

Thin bio-active layers for coating orthopedic implants, A. Vladescu, M. Braic, A. Kiss, V. Braic, M. Balaceanu

·         RO127411 (B1)/2017

Biocompatible thin films with compositional gradient for covering metal dental implants, A. Vladescu, V. Braic, M. Braic, A. Kiss