Electrodeposited hydroxyapatite coatings in static magnetic field

被引：17
|
作者：
Tian, Ang [1 ]
Xue, Xiangxin [1 ]
Liu, Chuangwei [1 ]
He, Jingui [1 ]
Yang, Zhongdong [1 ]
机构：
[1] Northeastern Univ, Sch Met & Mat, Shenyang 110819, Peoples R China
来源：
MATERIALS LETTERS | 2010年 / 64卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Deposition; Nanomaterials; Microstructure; NANOCRYSTALS; PRECIPITATION; DEPOSITION; TEXTURE; ALLOYS; SHAPE; SIZE;
D O I：
10.1016/j.matlet.2010.02.049
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Uniform hydroxyapatite (HA) coatings were deposited electrochemically on titanium in magnetic fields. The structure and morphology of the deposited films were investigated by scanning electron microscopy. X-ray diffraction and transmission electron microscopy (SEM, XRD and TEM). It was found that the morphology of HA deposits could be altered by direction and intensity of applied magnetic field. Needle-like crystals formed when magnetic field was applied perpendicularly to electric field (B perpendicular to J), whereas spherical nanocrystals formed when magnetic and electric fields were in parallel (B parallel to J). In addition, the nucleation rate of the HA crystals was proportional to the magnetic field intensity. Therefore, the resultant crystal size decreased with increasing magnetic field intensity. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1197 / 1199
页数：3
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