Corrosion resistance of Mg-Al-LDH coating on magnesium alloy AZ31

被引：187

作者：

Zhang, Fen ^{[1
]}

Liu, Zhen-Guo ^{[1
]}

Zeng, Rong-Chang ^{[1
]}

Li, Shuo-Qi ^{[1
]}

Cui, Hong-Zhi ^{[1
]}

Song, Liang ^{[2
]}

Han, En-Hou ^{[3
]}

机构：

[1] Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266510, Peoples R China

[2] Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China

[3] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China

来源：

SURFACE & COATINGS TECHNOLOGY | 2014年 / 258卷

关键词：

Magnesium alloy; Layered double hydroxide; Coating; Corrosion; HYDROTALCITE CONVERSION FILM; IN-SITU GROWTH; PHYTIC ACID; PROTECTIVE-COATINGS; MICROARC OXIDATION; LI ALLOY; BEHAVIOR; CERIUM; PERFORMANCE; IMPROVEMENT;

D O I：

10.1016/j.surfcoat.2014.07.017

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Mg-Al-layered double hydroxide (LDH) coatings were fabricated by a combined co-precipitation method and hydrothermal process on an AZ31 alloy substrate. The characteristics of the coatings were investigated using SEM, XRD, FT-IR and EDS. The corrosion resistance of the LDH coatings was studied using potentiodynamic polarization and electrochemical impedance spectrum. The results demonstrated that the LDH coatings, characterized by nanoplates stacked vertically to the substrate surface and ion-exchange ability, possess excellent corrosion resistance. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：1152 / 1158

页数：7

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