Corrosion Resistance of Silane-Modified Hydroxide Zinc Carbonate Film on AZ31 Magnesium Alloy

被引：29

作者：

Zeng, Rong-Chang ^{[1
,2
,3
]}

Liu, Li-Jun ^{[1
]}

Pang, Ting-Ting ^{[1
]}

Zhang, Fen ^{[1
,2
,3
]}

Zhang, Wei-Wei ^{[1
]}

Li, Shuo-Qi ^{[1
,2
,3
]}

Cui, Hong-Zhi ^{[1
]}

Han, En-Hou ^{[4
]}

机构：

[1] Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266590, Peoples R China

[2] Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofo, Qingdao 266590, Peoples R China

[3] Shandong Univ Sci & Technol, Minist Sci & Technol, Qingdao 266590, Peoples R China

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

来源：

ACTA METALLURGICA SINICA-ENGLISH LETTERS | 2015年 / 28卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Magnesium alloy; Hydrophobicity; Silane; Surface modification; Corrosion; SUPER-HYDROPHOBIC SURFACES; SUPERHYDROPHOBIC SURFACES; FLUOROALKYL-SILANE; IMMERSION PROCESS; FABRICATION; ALUMINUM; COATINGS; MICROSTRUCTURE; WETTABILITY; ANTICORROSION;

D O I：

10.1007/s40195-015-0208-x

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The corrosion resistance of magnesium alloys can be improved using functional surface modification such as hydrophobic treatment. In this study, a hierarchical hydroxide zinc carbonate (HZC) film was fabricated on AZ31 magnesium alloy via a simple chemical-bath deposition process using urea aqueous solution. The morphologies, compositions and corrosion resistance of the hydrophobic film were analyzed using scanning electron microscopy, X-ray diffraction and Fourier transform infrared spectrometer, and electrochemical measurements as well. The results revealed that the HZC film displayed flower-like protrusions and had a thickness of approximately 100 pm. The fluoroalkylsilane (FAS)-modified HZC film exhibited a hydrophobic property with a water contact angle of 131.3 degrees. The FAS/HZC film significantly improved the corrosion resistance of the AZ31 alloy due to hierarchical structures and hydrophobic modification.

引用

页码：373 / 380

页数：8

共 52 条

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