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 ]
Xue, Tong [1 ]
Wang, Beiping [1 ]
机构：
[1] North Minzu Univ, Coll Mat Sci & Engn, Yinchuan 750021, Peoples R China
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2023年 / 764卷 / 01期
关键词：
Composite coating; corrosion resistance; graphene oxide; magnesium alloys; CHEMICAL CONVERSION; PEO COATINGS; PROTECTION; AZ31; PERFORMANCE; BEHAVIOR; FILMS;
D O I：
10.1080/15421406.2023.2204562
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, rare earth lanthanum-based conversion coating (La) was prepared by self-assembly multistep method, and then graphene oxide was spin-coated on the surface of lanthanum-based conversion coating (La/GO) 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 results showed that the surface of the La/GO/GLYMO coating had the least pitting holes, and the impedance modulus increased by at least three orders of magnitude compared to the La coating after soaking for 72 h.
引用
收藏
页码：90 / 102
页数：13
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