Corrosion Resistance of Multistep Doped Graphene Oxide/Lanthanum-Based/Silane Composite Coatings on the Magnesium Alloys

被引：0
|
作者：
Zou, Zhongli [1 ]
Xu, Manzu [1 ]
Ma, Linmeng [1 ]
机构：
[1] North Minzu Univ, Coll Mat Sci & Engn, Yinchuan 750021, Peoples R China
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2023年 / 59卷 / 03期
关键词：
graphene oxide; composite coating; corrosion resistance; magnesium alloys; CHEMICAL CONVERSION; PEO COATINGS; PROTECTION; AZ31; PERFORMANCE;
D O I：
10.1134/S2070205123700557
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Many studies have been conducted in recent decades to find a suitable environmentally anticorrosive alternative to chromate for corrosion protection. In this paper, rare earth lanthanum-based conversion coating was prepared by self-assembly multi-step method, and then graphene oxide was spin-coated on the surface of lanthanum-based conversion coating by a spin coating method. The composite coating was coated by a silane coupling agent with better adhesion and coating, and the composite coating (La/GO/GLYMO) with excellent corrosion resistance was prepared. The surface of La/GO/GLYMO is smooth and crack-free, and coated with graphene oxide can effectively improve the corrosion resistance of the material.
引用
收藏
页码：524 / 532
页数：9
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