Influence of Voltage on Microstructure of Micro-Arc Oxide Films on TC4 Titanium Alloy

The porous ceramic biologic films were prepared on the surface of Ti6Al4V (TC4) with micro-arc oxidation technology (MAO). The phase composition, microstructure and cross section morphology, surface elements composition and valence state of micro-arc oxide films were studied. Results show that with...

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Bibliographic Details
Published in:Key Engineering Materials 2016-07, Vol.697, p.617-622
Main Authors: Sun, Yan Hua, Yan, Ji Kang, Teng, Yuan, Tang, Wan Xia, Ni, Er Xin, Fang, Shu Ming, Yang, Gang, Wu, Yun Feng, Shi, Zhe
Format: Article
Language:English
Subjects:
Biocompatibility
Electric potential
Electrolytes
Engineering
Hydroxyapatite
Medical research
Morphology
Oxidation
Phosphorus
Pore size
Power supply
Protective coatings
Surgical implants
Titanium alloys
Titanium base alloys
Voltage
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Summary:The porous ceramic biologic films were prepared on the surface of Ti6Al4V (TC4) with micro-arc oxidation technology (MAO). The phase composition, microstructure and cross section morphology, surface elements composition and valence state of micro-arc oxide films were studied. Results show that with increasing of the micro-arc oxidation voltage, the better biocompatible hydroxyapatite appears on the surface of titanium alloy (TC4). The high voltage promotes the surface pore size enlarge.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.697.617