Effect of Na2SiO3 concentration on the properties of AZ31 magnesium alloy prepared by electrolytic plasma processing

被引：11

作者：

Ahn, Byung-Hyun ^{[1
]}

Lee, Dong-Gun ^{[1
]}

Cho, Ho-Je ^{[1
]}

Lee, Seung-Rok ^{[1
]}

Ahmed, Faheem ^{[1
]}

Anwar, M. S. ^{[1
]}

Koo, Bon-Heun ^{[1
]}

机构：

[1] Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, South Korea

来源：

ELECTRONIC MATERIALS LETTERS | 2013年 / 9卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

electrolytic plasma processing; plasma electrolytic oxidation; AZ31; magnesium alloy; MICROARC OXIDATION COATINGS; CERAMIC COATINGS; ARC OXIDATION; AZ91D; FLUORIDE; BEHAVIOR; GROWTH; FILMS;

D O I：

10.1007/s13391-013-6018-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of Na2SiO3 concentration on the dense ceramic oxide coatings prepared on a AZ31 magnesium alloy through electrolytic plasma processing in a NaOH-Na2SiF6 electrolytic solution, have been investigated. The x-ray diffraction (XRD) results showed that the coating formed in silicate electrolyte was mainly composed of MgO, Mg2SiO4. Scanning electron microscopy (SEM) micrographs reveals that the number of pores on coatings decreases by increasing concentration of Na2SiO3 and coatings prepared in 12-20 g/L of Na2SiO3 show similar surface morphologies. The observed micro-hardness of coating layers is over 1000 Hv, which is much larger than that of the original AZ31 magnesium alloy without electrolytic plasma processing.

引用

页码：813 / 815

页数：3

共 15 条

[1] The role of the magnesium industry in protecting the environment [J].

Aghion, E ;

Bronfin, B ;

Eliezer, D .

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 2001, 117 (03) :381-385

[2] Microwave Assisted Hydrothermal Synthesis and Magnetocaloric Properties of La0.67Sr0.33MnO3 Manganite [J].

Anwar, M. S. ;

Kumar, Shalendra ;

Ahmed, Faheem ;

Kim, G. W. ;

Koo, Bon Heun .

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 2012, 12 (07) :5523-5526

[3] Corrosion performance of plasma electrolytic oxidized AZ31 magnesium alloy in silicate solutions with different additives [J].

Chen, Huan ;

Lv, GuoHua ;

Zhang, GuLing ;

Pang, Hua ;

Wang, XingQuan ;

Lee, HeonJu ;

Yang, SiZe .

SURFACE & COATINGS TECHNOLOGY, 2010, 205 :S32-S35

[4] Growth process of plasma electrolytic oxidation films formed on magnesium alloy AZ91D in silicate solution [J].

Duan, Hongping ;

Yan, Chuanwei ;

Wang, Fuhui .

ELECTROCHIMICA ACTA, 2007, 52 (15) :5002-5009

[5] Study of the structure and corrosion behavior of PEO coatings on AM50 maginesium. alloy by electrochemical impedance spectroscopy [J].

Ghasemi, A. ;

Raja, V. S. ;

Blawert, C. ;

Dietzel, W. ;

Kainer, K. U. .

SURFACE & COATINGS TECHNOLOGY, 2008, 202 (15) :3513-3518

[6] Formation of oxygen bubbles and its influence on current efficiency in micro-arc oxidation process of AZ91D magnesium alloy [J].

Guo, HF ;

An, MZ ;

Xu, S ;

Huo, HB .

THIN SOLID FILMS, 2005, 485 (1-2) :53-58

[7] Growth of ceramic coatings on AZ91D magnesium alloys by micro-arc oxidation in aluminate-fluoride solutions and evaluation of corrosion resistance [J].

Guo, HF ;

An, MZ .

APPLIED SURFACE SCIENCE, 2005, 246 (1-3) :229-238

[8] Effect of potassium fluoride in electrolytic solution on the structure and properties of microarc oxidation coatings on magnesium alloy [J].

Liang, J ;

Guo, BG ;

Tian, J ;

Liu, HW ;

Zhou, JF ;

Xu, T .

APPLIED SURFACE SCIENCE, 2005, 252 (02) :345-351

[9] Surface morphology, composition and thermal behavior of tungsten-containing anodic spark coatings on aluminium alloy [J].

Lukiyanchuk, IV ;

Rudnev, VS ;

Kuryavyi, VG ;

Boguta, DL ;

Bulanova, SB ;

Gordienko, PS .

THIN SOLID FILMS, 2004, 446 (01) :54-60

[10] Magnesium - Properties - applications - potential [J].

Mordike, BL ;

Ebert, T .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2001, 302 (01) :37-45

← 1 2 →