Effect of Different Zirconium Contents on the Corrosion Resistance of ZrO2-TiO2 Film-Coated Stainless Steel

被引：5

作者：

Bu, Aiming ^{[1
,2
]}

Ji, Guojun ^{[1
,3
]}

Liu, Quansheng ^{[1
]}

Shi, Zhiming ^{[4
]}

机构：

[1] Inner Mongolia Univ Technol, Coll Chem Engn, Hohhot, Peoples R China

[2] Beijing Inst Technol, Dept Mat, Beijing, Peoples R China

[3] Inner Mongolia Engn Res Ctr CO2 Capture & Utiliza, Hohhot, Peoples R China

[4] Inner Mongolia Univ Technol, Coll Mat Sci & Engn, Hohhot, Peoples R China

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2018年 / 27卷 / 10期

基金：

中国国家自然科学基金;

关键词：

electrochemical corrosion; sol-gel method; ZrO2-TiO2 thin films; NANOCOMPOSITE THIN-FILMS; PHOTOCATALYTIC PROPERTIES; OXIDE-FILMS; TITANIA; PHOTODEGRADATION; PERMEATION; BEHAVIOR; SILICA;

D O I：

10.1007/s11665-018-3639-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work discusses the corrosion resistance of x%zirconia (ZrO2)-x%titania (TiO2) nanocomposite films with different percentages of ZrO2 prepared on stainless steel by dipping the substrates in sol-gel solutions. The phase compositions and microstructures of the films were investigated by x-ray diffraction (XRD) and scanning electron microscopy (SEM). Tafel polarization curves and electrochemical impedance spectroscopy (EIS) were employed to investigate the corrosion resistance of the coated steel substrates during immersion in a 5% NaCl solution at room temperature. The results showed that when the percentage of ZrO2 in the sol-gel was relatively low, the film contained cracks, leading to a poor corrosion resistance. When the percentage of ZrO2 was higher, the corrosion resistance of the film was also affected by the sintering temperature; a sintering temperature of 650 degrees C gave the best protection of the metal surface, and the protection efficiency was 95%.

引用

页码：5321 / 5328

页数：8

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