Zn-HA-TiO2 nanocomposite coatings electrodeposited on a NiTi shape memory alloy

被引：14
|
作者：
Mirak, Mohammad [1 ]
Alizadeh, Morteza [1 ]
Salahinejad, Erfan [2 ]
Amini, Rasool [1 ]
机构：
[1] Shiraz Univ Technol, Dept Mat Sci & Engn, Shiraz 71555313, Iran
[2] KN Toosi Univ Technol, Fac Mat Sci & Engn, Tehran, Iran
来源：
SURFACE AND INTERFACE ANALYSIS | 2015年 / 47卷 / 02期
关键词：
composite coatings; electrodeposition; structure; biomedical applications; COMPOSITE COATINGS; CORROSION-RESISTANCE; TITANIUM; NICKEL; HYDROXYAPATITE; ZN; DEPOSITION; SURFACE; WEAR; BEHAVIOR;
D O I：
10.1002/sia.5678
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, zinc-hydroxyapatite (Zn-HA) and zinc-hydroxyapatite-titania (Zn-HA-TiO2) nanocomposite coatings were electrodeposited onto a NiTi shape memory alloy, using a chloride zinc plating bath. The structure of the composite coatings was characterized by X-ray diffraction, scanning electron microscopy and high-resolution transmission electron microscopy. According to the results, the Zn-HA-TiO2 coating exhibited a plate-like surface morphology, where the addition of the nanoparticles caused to an increase in roughness. It was also found that due to applying a proper stirring procedure during co-deposition, a homogenous dispersion of the nanoparticles in the coatings was achieved. Also, the addition of the TiO2 nanoparticles to the Zn-HA-TiO2 coating enhanced the microhardness and wear resistance. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码：176 / 183
页数：8
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