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Preparation of bioceramic films containing hydroxyapatites on Ti-6Al-4V alloy surfaces by the micro-arc oxidation technique |
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| Authors: | Xizhen Yang Sirong Yu |
| Affiliation: | a Key Laboratory of Automobile Materials (Jilin University), Ministry of Education, and College of Materials Science and Engineering, Jilin University, Changchun 130025, China b Department of Mechanical Engineering, Changchun University, Changchun 130022, China c College of Physics Science and Information Engineering, JiShou University, JiShou 416000, China |
| Abstract: | The bioceramic films containing hydroxyapatite (HAP) were synthesized on Ti-6Al-4V alloy surfaces using the micro-arc oxidation technique. The influences of electric current density and treating time of micro-arc oxidation on the phase behavior of the bioceramic films were studied. XRD and SEM were utilized to characterize the phase formation and surface morphologies of the bioceramic films. The results revealed that electric current density and micro-arc oxidation time were two important factors for the formation of HAP, and the micro-arc oxidation films were composed of HAP, TiO2, and Ca3(PO4)2. |
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