THE ELECTRICAL-PROPERTIES OF ORGANIC COATINGS ON A LOCAL SCALE-RELATIONSHIP TO CORROSION

被引：22

作者：

STANDISH, JV

LEIDHEISER, H

机构：

来源：

CORROSION | 1980年 / 36卷 / 08期

关键词：

D O I：

10.5006/0010-9312-36.8.390

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The samples used in this study were coated with films of Epon 828 epoxy cured with Versamid 125 polyamide. This coating was applied over substrates of gold plated copper, cold rolled steel, and galvanized steel. Variations in the impedance and phase angle of an AC signal were observed during passage of a probe over the surface of samples immersed in 3% KF. The electrical properties of the coating are not uniform and large changes occur locally when the coating is exposed to the electrolyte. The measurements were sensitive to corrosion beneath the coating, defects in the coating, and nature of the metal substrate and its rate of corrosion.

引用

页码：390 / 395

页数：6

共 13 条

[1]

Beaunier L., 1976, SURF TECHNOL, V4, P237

[2] APPARATUS FOR THE EXAMINATION OF LOCALIZED CORROSION BEHAVIOR [J].