Corrosion behaviour of single and double layer hydroxyapatite coatings on 316L stainless steel by plasma spray

被引：7
|
作者：
Kayali, Yusuf [1 ]
Aslan, Osman [1 ]
Karabas, Muhammet [2 ]
Talas, Sukru [1 ]
机构：
[1] Afyon Kocatepe Univ, Fac Technol, Dept Met & Mat Engn, Afyon, Turkey
[2] Istanbul Tech Univ, Fac Met Chem, Dept Met & Mat Engn, Istanbul, Turkey
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2016年 / 52卷 / 06期
关键词：
SURFACE MODIFICATION; FATIGUE FAILURE; TITANIUM-ALLOYS; DEPOSITION; WEAR; MECHANISM; IMPLANT; FILMS;
D O I：
10.1134/S2070205116060113
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
AISI316L stainless steel is extensively used in orthopedic and dental applications. However, this alloy exhibits low integration behaviour when it comes in contact with surrounding bone tissue and implant healing duration can be as much as few months. The aim of this study is the fabrication of biocompatible hydroxyapatite (HA) coatings on stainless steel substrate in order to accelerate the process of osseointegration of implants. The biocompatible single layer of Titania (TiO2), Hydroxyapatite and bi-layer TiO2/HA coatings were deposited by atmospheric plasma spray on 316L stainless steel. Coated and uncoated stainless steel specimens were incubated in simulated body fluids and 0.9% NaCl solutions for 1h and 7 days. In vitro electrochemical-corrosion evaluation of coated and uncoated stainless steel specimens have been investigated by Tafel extrapolation and linear polarization methods. Results indicates that corrosion resistance of single layer HA coated stainless steel specimens are superior to single layer TiO2 and bi-layer HA/TiO2 coated stainless steel specimens.
引用
收藏
页码：1079 / 1085
页数：7
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