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Synthesis and properties of CaTiO3-containing coating on AZ31 magnesium alloy by micro-arc oxidation

被引：41
作者：
Tang, Hui [1 ]
Wang, Fuping [1 ]
机构：
[1] Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R China
来源：
MATERIALS LETTERS | 2013年 / 93卷
关键词：
Magnesium alloy; Calcium titanate; Ceramic composites; Corrosion; Bioceramics; Micro-arc oxidation; IN-VIVO CORROSION; BIOMEDICAL APPLICATIONS; APATITE COATINGS; VITRO; BIOACTIVITY; DEGRADATION; TITANIUM; BEHAVIOR; LAYER; SBF;
D O I：
10.1016/j.matlet.2012.11.017
中图分类号：
T [工业技术];
学科分类号：
120111 [工业工程];
摘要：
Magnesium and its alloys are thought as biodegradable implant materials due to their attractive biological properties. But the application of magnesium is still hampered by their poor corrosion resistance and inert bioactivity in physiological circumstances. In this article, a CaTiO3-containing coating was deposited on AZ31 magnesium alloy surface by micro-arc oxidation (MAO). The microstructure and composition were analyzed by scanning electron microscopy (SEM) and X-ray diffraction (XRD), respectively. The corrosion behavior and apatite-forming ability were studied by electrochemical tests and immersing in simulated body fluids (SBF). The results show that the MAO coating significantly improves the corrosion resistance of AZ31 magnesium alloy and enhances the apatite formation ability. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：427 / 430
页数：4
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