A ceramic coating on carbon steel and its superhydrophobicity

被引:22
|
作者
Luo, Song [1 ,2 ]
Zheng, Li [1 ,2 ]
Luo, Hong [1 ]
Luo, Changsen [1 ]
机构
[1] Sichuan Univ Sci & Engn, Coll Mat Sci & Engn, Zigong 643000, Peoples R China
[2] Key Lab Mat Corros & Protect Sichuan Prov, Zigong 643000, Peoples R China
关键词
Ceramic coating; Anodization; Steel; Superhydrophobic surface; RAMAN-SPECTRA; SURFACE; FABRICATION; RESISTANCE; LAYER;
D O I
10.1016/j.apsusc.2019.04.235
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
In this work, we present a combined method to produce a superhydrophobic ceramic coating on carbon steel. A hot-dip aluminizing approach is proposed for fabricating an aluminum coating on the carbon steel surface. This aluminum coating is anodized to produce a ceramic oxide layer. The ceramic coating is identified as a mixture of alpha-AlOOH, gamma-AlOOH and gamma-Al2O3.The XRD analysis indicates that the ceramic coating is poorly crystalline. The ceramic coating exhibits a patterned surface with nano-pores and nano-wires. Due to this structured surface, the ceramic coating shows superhydrophobicity after reducing surface energy by using a chemical treatment.
引用
收藏
页码:371 / 375
页数:5
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