Fabrication of self-cleaning super-hydrophobic nickel/graphene hybrid film with improved corrosion resistance on mild steel

被引：97

作者：

Ding, Shibing ^{[1
]}

Xiang, Tengfei ^{[1
]}

Li, Cheng ^{[1
]}

Zheng, Shunli ^{[1
]}

Wang, Jing ^{[1
]}

Zhang, Manxin ^{[1
]}

Dong, Chundong ^{[1
]}

Chan, Wenming ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Jiangsu, Peoples R China

来源：

MATERIALS & DESIGN | 2017年 / 117卷

关键词：

Super-hydrophobic; Mild steel; Nickel/graphene hybrid film; Corrosion resistance; Self-cleaning; ELECTRODEPOSITION PROCESS; SUPERHYDROPHOBIC SURFACE; COMPOSITE COATINGS; ALUMINUM SURFACE; MAGNESIUM ALLOY; CONSTRUCTION; DURABILITY; BEHAVIOR; COPPER; OXIDE;

D O I：

10.1016/j.matdes.2016.12.084

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A self-cleaning super-hydrophobic nickel/graphene hybrid film with hierarchical structure was successfully fabricated on mild steel (MS) by electro-deposition process followed by myristic acid modification. The surface morphology and composition were characterized by a field emission scanning electron microscope (FESEM) and attached energy dispersive X-ray spectrum (EDS). The results showed that the hierarchical nickel/graphene film was well formed with random pinecone-like nano-protrusions nickel array on every micro-graphene-protrusion. The super-hydrophobic surface exhibited excellent super-hydrophobicity with a static water contact angle (CA) as high as 160.4 +/- 1.5 degrees and a sliding angle (SA) as low as 4.0 +/- 0.9 degrees. The super-hydrophobic surface showed excellent anticorrosion performance, mechanical durability and long-term stability in 3.5 wt.% NaCl solution, which were characterized by electrochemical impedance spectroscopy (EIS), sandpaper abrasion and immersion tests. In addition, the super-hydrophobic surface also exhibited good self-cleaning performance. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：280 / 288

页数：9

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