Corrosion resistance and adhesion strength of a spin-assisted layer-by-layer assembled coating on AZ31 magnesium alloy

被引：83
|
作者：
Zhao, Yan-Bin [1 ,2 ]
Liu, Han-Peng [1 ,2 ]
Li, Chang-Yang [1 ,2 ]
Chen, Yong [3 ,4 ]
Li, Shuo-Qi [1 ,2 ]
Zeng, Rong-Chang [1 ,2 ]
Wang, Zhen-Lin [5 ]
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, Shandong Prov & Minist Sci & Technol, Qingdao 266590, Peoples R China
[3] Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
[4] Dalian Univ Technol, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
[5] Chongqing Univ Technol, Coll Mat Sci & Engn, Chongqing 400065, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2018年 / 434卷
基金：
中国国家自然科学基金;
关键词：
Magnesium alloy; Corrosion resistance; Layer-by-layer; Hydrogen bond; Spin-casting; Adhesion strength; CA-DEFICIENT HYDROXYAPATITE; FILMS; FABRICATION; OXIDATION; COMPOSITE; ELECTRODEPOSITION; NANOPARTICLES; DEGRADATION; MULTILAYER; MECHANISM;
D O I：
10.1016/j.apsusc.2017.11.012
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A polyvinylpyrrolidone (PVP)/polyacrylic acid (PAA) layer-by-layer (LbL) assembled composite coating with a multilayer structure for the corrosion protection of AZ31 magnesium alloy was prepared by a novel spin-casting method. The microstructure and composition of this coating were investigated by means of SEM, XRD and FT-IR measurements. Moreover, electrochemical, immersion and scratch tests in vitro were performed to measure the corrosion performance and the adhesion strength. These results indicated that the (PVP/PAA) 10 composite coating with defect-free, dense and uniform morphologies could be successfully deposited on the surface of magnesium alloy. The coating had excellent corrosion resistance and adhesion strength. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：787 / 795
页数：9
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