Micro-arc oxidation and electrophoretic deposition of nano-grain merwinite (Ca3MgSi2O8) surface coating on magnesium alloy as biodegradable metallic implant

被引：25
|
作者：
Razavi, Mehdi [1 ,3 ,4 ,5 ]
Fathi, Mohammadhossein [1 ,2 ]
Savabi, Omid [3 ]
Vashaee, Daryoosh [5 ]
Tayebi, Lobat [4 ,6 ]
机构：
[1] Isfahan Univ Technol, Dept Mat Engn, Biomat Res Grp, Esfahan 8415683111, Iran
[2] Isfahan Univ Med Sci, Dent Mat Res Ctr, Esfahan 8174673461, Iran
[3] Isfahan Univ Med Sci, Sch Dent, Torabinejad Dent Res Ctr, Esfahan 8174673461, Iran
[4] Oklahoma State Univ, Sch Mat Sci & Engn, Helmerich Adv Technol Res Ctr, Tulsa, OK 74106 USA
[5] Oklahoma State Univ, Sch Elect & Comp Engn, Helmerich Adv Technol Res Ctr, Tulsa, OK 74106 USA
[6] Oklahoma State Univ, Sch Chem Engn, Stillwater, OK 74078 USA
来源：
SURFACE AND INTERFACE ANALYSIS | 2014年 / 46卷 / 06期
基金：
美国国家科学基金会;
关键词：
surface coating; micro-arc oxidation; electrophoretic deposition; biodegradable magnesium alloy; biomedical applications; TITANATE THIN-FILMS; PARTICULATE SOL-GEL; CORROSION-RESISTANCE; HYDROXYAPATITE COATINGS; STAINLESS-STEEL; BEHAVIOR; NANOCOMPOSITE; SCAFFOLDS; CELLULOSE; ZRTIO4;
D O I：
10.1002/sia.5465
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：
Magnesium alloys are promising biomaterials as biodegradable implant for orthopedic applications. However, their low corrosion resistance and poor bioactivity have prohibited their implant applications. In order to enhance these two properties, a nano-grain merwinite coating was prepared on magnesium alloy. Its corrosion and the bioactivity behavior were characterized with electrochemical and immersion tests. The results showed that the nano-grain merwinite coating can improve both the corrosion resistance and the bioactivity of the magnesium alloy making it an appropriate material for biodegradable bone implants. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码：387 / 392
页数：6
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