Oxidation control preparation of chromium-based MXene as ultrahigh performance barrier nanosheets for corrosion protection

被引：6
作者：
Ning, Yujie [1 ]
Liu, Bin [1 ]
Wang, Qi [1 ]
Wang, Zhenxia [1 ]
Song, Yihan [1 ]
Lv, Jiangming [1 ]
机构：
[1] Beijing Univ Chem Technol, Coll Mat Sci & Engn, Beijing Key Lab Electrochem Proc & Technol Mat, Beijing 100029, Peoples R China
来源：
CORROSION SCIENCE | 2024年 / 235卷
关键词：
Cr2CTx MXene; oxidation layer; oxidation reaction; corrosion protection; GRAPHENE OXIDE; ANTICORROSION; CARBON;
D O I：
10.1016/j.corsci.2024.112184
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cr2CTx nanosheets were obtained through the utilization of FeCl3+tartaric acid to etch Cr2AlC, taking advantage of the disparities in redox reactions and metal complex formation capabilities. The oxidation mechanism and kinetics process of Cr2CTx MXene suspensions were investigated under different pH, temperature, and concentration conditions. Then, incorporating Cr2CTx MXene into epoxy coatings significantly improved compatibility, mechanical and anticorrosion properties, owing to the ultra-high barrier effect and oxidative properties, which enabled it to adsorb and consume H2O and O-2 diffused into coatings interior and generated a dense and effective Cr-based oxidation product layer.
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页数：13
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