Preparation and properties of a cerium-containing hydroxyapatite coating on commercially pure titanium by micro-arc oxidation

作     者：HUANG Yong WANG Yingjun NING Chengyun NAN Kaihui HAN Yong HUANG Yong~(a,b) WANG Yingjun~(a,b) NING Chengyun~(a,b) NAN Kaihui~(a,b) HAN Yong~c ~a College of Materials Science and Engineering,South China University of Technology,Guangzhou 510641,China ~b Key Laboratory of SpeciaUy Functional Materials,Ministry of Education of China,Guangzhou 510640,China ~c State Key Laboratory for Mechanical Behavior of Materials,Xi’an Jiaotong University,Xi’an 710049,China

作者机构：College of Materials Science and Engineering South China University of Technology Guangzhou 510641 China Key Laboratory of SpeciaUy Functional Materials Ministry of Education of China Guangzhou 510640 China State Key Laboratory for Mechanical Behavior of Materials Xi＇an Jiaotong University Xi ＇an 710049 China 

出 版 物：《Rare Metals》 (稀有金属（英文版）)

年 卷 期：2008年第27卷第3期

页      面：257-260页

核心收录：

学科分类：07[理学] 0806[工学-冶金工程] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 0702[理学-物理学] 

基　　金：This work was financially supported by the Natural Science Foundation Team Project of Guangdong,China(No.04205786) the Key Science and Technology Project of the Ministry of Education of China(No.4) 

主　　题：surface cerium hydroxyapatite coating micro-arc oxidation titanium porosity 

摘      要：A porous cerium-containing hydroxyapatite coating on commercially pure titanium was prepared by micro-arc oxidation （MAO） in an electrolytic solution containing calcium acetate, p-glycerol phosphate disodium salt pentahydrate （β-GP）, and cerium nitrate. The thickness, phase, composition morphology, and biocompatibility of the oxide coating were characterized by X-ray diffraction （XRD）, electron probe microanalysis （EPMA）, scanning electron microscopy （SEM） with energy dispersive X-ray spectrometer （EDS）, and cell culture. The thickness of the MAO film is about 15-25 ~tm, and the coating is porous and uneven, without any apparent interface to the titanium substrates. The results of XRD and EDS show that the porous coating is made up of hydroxyapatite （HA） film containing Ce. The favorable osteoblast cell affinity makes the Ce-HA film have a good biocompatibility. The Ce-HA film is expected to have significant medical applications as dental implants and artificial bone joints.