Magnetite thin film on mild steel formed by hydrothermal electrolysis for corrosion prevention

被引：17

作者：

Machmudah, Siti ^{[1
]}

Zulhijah, Rizka ^{[1
]}

Wahyudiono ^{[2
]}

Setyawan, Heru ^{[1
]}

Kanda, Hideki ^{[3
]}

Goto, Motonobu ^{[3
]}

机构：

[1] Sepuluh Nopember Inst Technol, Dept Chem Engn, Keputih Sukolilo 60111, Surabaya, Indonesia

[2] Surabaya Univ, Dept Chem Engn, Raya Kalirungkut 60293, Surabaya, Indonesia

[3] Nagoya Univ, Dept Chem Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan

来源：

CHEMICAL ENGINEERING JOURNAL | 2015年 / 268卷

基金：

日本科学技术振兴机构;

关键词：

Magnetite; Anodizing; Blackening; Mild steel; Hydrothermal electrolysis; IRON-OXIDE NANOPARTICLES; ANODIC FILMS; FABRICATION; TEMPERATURE; CONVERSION; COATINGS; TITANIUM; NITRATE; GROWTH;

D O I：

10.1016/j.cej.2014.11.146

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Magnetite film was successfully prepared on the mild steel surface in alkaline environment by hydrothermal electrolysis treatment. The principle of hydrothermal electrolysis is applying current directly to electrolyte solution at hydrothermal conditions. The anodizing of mild steel was conducted at temperatures of 100-200 degrees C and applied current densities of 0.1-0.4 A/cm(2) for 5-60 min reaction time with sodium hydroxide (NaOH) as an electrolyte solution (5-15%). Magnetite film on the mild steel surface was characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and cyclic voltammetry. The patterns of XRD showed that magnetite was formed dominantly in the surface of mild steel with black color. Cyclic voltammetry analysis showed that the magnetite films produced on the mild steel surface could prevent or minimize the corrosion on its surface. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：76 / 85

页数：10

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