POLYMER PROTECTIVE COATINGS - THE DISTINCTION BETWEEN COATING POROSITY AND THE WETTED METAL AREA

被引：64

作者：

ARMSTRONG, RD

WRIGHT, D

机构：

[1] Chemistry Department, University of Newcastle upon Tyne, Newcastle upon Tyne

来源：

ELECTROCHIMICA ACTA | 1993年 / 38卷 / 14期

关键词：

IMPEDANCE; POLYMER; COATING; POROSITY; WETTED AREA;

D O I：

10.1016/0013-4686(93)80301-F

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

It is shown that two different quantities can be evaluated from impedance measurements for polymer protective coatings on metals. At high frequencies information can be obtained on the porosity of the coating, whereas at low frequencies the wetted area of metal below the coating can be calculated from the impedance response.

引用

页码：1799 / 1801

页数：3

共 7 条

[1]

ARMSTRONG RD, 1992, IN PRESS CORROS SCI

[2] THE CHARGE-TRANSFER REACTION IN NYQUIST DIAGRAMS OF PAINTED STEEL [J].