Electrochemical and biological characterization HA/Al2O3-YSZ nano-composite coatings using electrophoretic process

被引：9
作者：
Askari, Nayereh [1 ]
Yousefpour, Mardali [1 ]
Rajabi, Masoud [2 ]
机构：
[1] Semnan Univ, Fac Mat & Met Engn, Semnan, Iran
[2] IKIU, Mat Engn Dept, Qazvin, Iran
来源：
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A | 2018年 / 106卷 / 07期
关键词：
Electrophoretic deposition; electrochemical; cell culture; YSZ; suspensions; hydroxyapatite; SIMULATED BODY-FLUID; HYDROXYAPATITE COATINGS; MECHANICAL-PROPERTIES; PURE TITANIUM; NITI ALLOYS; DEPOSITION; BIOACTIVITY; LAYER; MICROSTRUCTURE; PRECIPITATION;
D O I：
10.1002/jbm.a.36392
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
In this research work, hydroxyapatite/alumina/YSZ bio nanocomposite coatings on titanium substrate were created by electrophoretic deposition (EPD) and reaction bonding process. By using the EPD process, uniform green form coatings containing HA, yttria-stabilized zirconia (YSZ), and aluminum particles were produced on titanium. After oxidation of aluminum at 660 degrees C and sintering at 850 degrees C, a dense and adherent HA/Al2O3/YSZ coating was produced. Scanning electron microscopy, X-ray diffractometric and mechanical tests were employed to investigate the morphologies, compositions, hardness, toughness and bonding strength of the coatings. The corrosion studies and cell culturing experiment were carried out and the results show that the HA/YSZ/Al2O3 coatings are more bioactive and more resistance to corrosion than HA coatings. (c) 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 1916-1922, 2018.
引用
收藏
页码：1916 / 1922
页数：7
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