Enhanced anticorrosion performance of zinc rich epoxy coatings modified with stainless steel flakes

被引：41
作者：
Qi, Chunping [1 ]
Dam-Johansen, Kim [1 ,2 ]
Weinell, Claus Erik [1 ]
Bi, Huichao [1 ]
Wu, Hao [2 ]
机构：
[1] Tech Univ Denmark, Hempel Fdn Coatings Sci & Technol Ctr CoaST, Dept Chem & Biochem Engn, Bldg 229, DK-2800 Lyngby, Denmark
[2] Tech Univ Denmark, CHEC Res Ctr, Dept Chem & Biochem Engn, Bldg 229, DK-2800 Lyngby, Denmark
来源：
PROGRESS IN ORGANIC COATINGS | 2022年 / 163卷
关键词：
Corrosion; EIS; Stainless steel flakes; Zinc-rich coating; CORROSION PROTECTION; CARBON NANOTUBES; ELECTROCHEMICAL-BEHAVIOR; RESISTANCE; OXIDE; IMPROVEMENT; ALUMINUM; GRAPHENE; PAINTS; MECHANISM;
D O I：
10.1016/j.porgcoat.2021.106616
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The effect of a partial replacement of spherical zinc particles by stainless steel flakes (SSF) on the corrosion protection performance of zinc-rich epoxy (ZRE) coating was studied. Salt spray test, open circuit potential, electrochemical impedance spectroscopy and potentiodynamic polarization tests were utilized to evaluate the anticorrosion performance of the coatings. The results demonstrate that a partial replacement of zinc particles by SSF enhanced the anticorrosion properties of the ZRE coating, and the enhancement was attributed to the synergistic effects by increasing the coating impedance and extending the cathodic protection duration.
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页数：12
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