EFFECT OF CHARACTERISATION OF OXIDIZED INTERLAYER ON ADHESION OF BIOACTIVE GLASS CERAMIC COATINGS IN THE SYSTEM OF CaO-P2O5-TiO2-Na2O ON THE TITANIUM SUBSTRATE
Publish place: 1st International and 6th Joint Conference of Iranian Society of Metallurgical Engineers and the scientific community of Casting
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IMES06_136
تاریخ نمایه سازی: 8 بهمن 1391
Abstract:
To improve the Ti/glass-ceramic bonding is a challenged part of coating because bonding plays an important role in long-term performance of medical implants. The purpose of this research is to verifying the bond strength of bioactive coating in the system of CaO-P2O5-Na2O-TiO2 with suitable selection of oxidized layer and studying the effect of this interlayer on adhesion of coating. To achieve this, after surface modification, the surface of titanium substrate samples was heat treated in 750 ˚c for 30, 60 and90 min, to be oxidized. The results of Scanning Electron Microscopy (SEM) and Elemental concentrationanalysis by EDS and Atomic Force Microscopy (AFM) show that oxidized layer that was produced in 750˚c and 30 min has better properties in comparison with two other samples and has the best adhesion to both substrate and coating
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Authors
Shima Honarvar
Master of science, Iran university of science and technology
Bijan Eftekhari Yekta
Associate Professors, Iran university of science and technology
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