Effect of SMAT preprocessing on MAO fabricated nanocomposite coating

被引：31

作者：

Gheytani, M. ^{[1
]}

Bagheri, H. R. ^{[1
]}

Masiha, H. R. ^{[1
]}

Aliofkhazraei, M. ^{[1
]}

Rouhaghdam, A. Sabour ^{[1
]}

Shahrabi, T. ^{[1
]}

机构：

[1] Tarbiat Modares Univ, Fac Engn, Dept Mat Sci, Tehran, Iran

来源：

SURFACE ENGINEERING | 2014年 / 30卷 / 04期

关键词：

Magnesium; Corrosion; MAO; SMAT; Nanocrystalline; Nanostructure; Wear; PLASMA ELECTROLYTIC OXIDATION; NANOCRYSTALLINE SURFACE-LAYER; MICRO-ARC OXIDATION; MAGNESIUM ALLOY; MG ALLOY; CORROSION-RESISTANCE; STAINLESS-STEEL; BEHAVIOR; MICROSTRUCTURE; BIOACTIVITY;

D O I：

10.1179/1743294414Y.0000000251

中图分类号：

TB3 [工程材料学];

学科分类号：

082905 [生物质能源与材料];

摘要：

The role of fine microstructure of AZ31B magnesium alloy metallic samples on the morphology, corrosion and wear resistance of the coatings formed by microarc oxidation technique was investigated. Surface nanocrystallisation was carried out through surface mechanical attrition treatment, and a nanocrystalline surface with the grain size of 5-10 nm was obtained. The coatings were studied by optical microscope and SEM images, and corrosion and wear tests were conducted on the samples. Comparison between the maximum and minimum results obtained for the corrosion polarisation resistance indicated 700% increase for different coating conditions. Similar comparison for the wear test results indicated 105% increase in wear resistance for different coating conditions.

引用

页码：244 / 255

页数：12

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