Coloring and Corrosion Resistance of Pure Mg Modified by Micro-Arc Oxidation Method

被引：14
|
作者：
Li, Long-Hao [1 ,2 ,3 ]
Narayanan, Tirunelveli Sankaranarayanan Nellaiappan Sankara [1 ,2 ]
Kim, Yu Kyoung [1 ,2 ]
Kong, Young-Min [3 ]
Shin, Gwi-Su [4 ]
Lyu, Sung-Ki [5 ]
Park, Il Song [6 ,7 ]
Lee, Min Ho [1 ,2 ]
机构：
[1] Chonbuk Natl Univ, Dept Dent Biomat, Jeonju 561756, South Korea
[2] Chonbuk Natl Univ, Sch Dent, Inst Bio Degradable Mat, Inst Oral Biosci,BK Plus Project 21, Jeonju 561756, South Korea
[3] Univ Ulsan, Sch Mat Sci & Engn, Ulsan 680749, South Korea
[4] R&D Cluster Business Ctr Jeonbuk Technopk, Jinju 561844, South Korea
[5] Gyeongsang Natl Univ, ReCAPT, Sch Mech Engn, Jinju 660701, South Korea
[6] Chonbuk Natl Univ, Res Ctr Adv Mat Dev, Div Adv Mat Engn, Jeonju 561756, South Korea
[7] Chonbuk Natl Univ, Inst Biodegradable Mat, Jeonju 561756, South Korea
来源：
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING | 2014年 / 15卷 / 08期
基金：
新加坡国家研究基金会;
关键词：
Magnesium; Micro-arc oxidation; Corrosion resistance; Potentiodynamic polarization; Coloring; PLASMA ELECTROLYTIC OXIDATION; MAGNESIUM ALLOYS; COATINGS; IMPLANTS; BEHAVIOR;
D O I：
10.1007/s12541-014-0512-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnesium and its alloys are potential candidate materials for use as absorbable implants due to their excellent biodegradability and biocompatibility). Reducing their rapid corrosion rate by alloying and surface modification has been the focus of many research programs. To improve the corrosion resistance and to impart coloration, pure Mg is modified by micro-arc oxidation (MAO) using electrolytes containing different concentrations of manganese (Mn). A porous and thick MAO coating layer consisting of MgO, Mg-3(PO4)(2) and Mg2SiO4 phases is deposited on Mg. The color of the MAO treated Mg is changed from light gray to brown with the addition of 0.015 M Mn to the base electrolyte. The MAO coatings prepared in this study offers an improved corrosion resistance for Mg.
引用
收藏
页码：1625 / 1630
页数：6
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