Optimization of coil coating systems by means of electrochemical impedance spectroscopy

被引：10

作者：

Delucchi, M ^{[1
]}

Barbucci, A ^{[1
]}

Cerisola, G ^{[1
]}

机构：

[1] Univ Genoa, Fac Ingn, Ist Chim, I-16129 Genoa, Italy

来源：

ELECTROCHIMICA ACTA | 1999年 / 44卷 / 24期

关键词：

EIS; coil-coating; free-chromate pretreatments and primers; fluorinated coatings;

D O I：

10.1016/S0013-4686(99)00145-0

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Corrosion protection of coil-coated hot-dip galvanized (HDG) sheets against aggressive environments depends on several factors linked to galvanizing, chemical conversion, passivation, primer, topcoat. Each component gives a contribution to the final anticorrosive performance of the coated product. The study of such a complex system needs proper sample assessments and powerful experimental techniques. The present paper deals with the study of a significant number of systems using a particular approach based on the analysis of the impedance data at one characteristic frequency. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：4297 / 4305

页数：9

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