Paper Title:
The Evaluation of Organic Coating with Artificial Defect Degradation with EIS Measurement: Phase Angle at High Frequencies
  Abstract

Electrochemical impedance spectra (EIS) of two kinds of damage rate samples in natural seawater were measured and the relations between coating resistances and phase angles at high frequencies were analyzed. The results indicated that for the coating systems studied, the variation of phase angles at 14 kHz with immersion time was very close to the variation of coating resistance, hence may qualitatively reflect the coating with artificial defect degradation. This approach contains no error in calculation and the special phase angle parameters could be extracted easily from the EIS measured data. These phase angle parameters may be used as quick measurements to evaluate coating with artificial defect performance.

  Info
Periodical
Advanced Materials Research (Volumes 194-196)
Edited by
Jianmin Zeng, Taosen Li, Shaojian Ma, Zhengyi Jiang and Daoguo Yang
Pages
2027-2030
DOI
10.4028/www.scientific.net/AMR.194-196.2027
Citation
J. Liu, X. B. Li, J. Wang, S. B. Li, "The Evaluation of Organic Coating with Artificial Defect Degradation with EIS Measurement: Phase Angle at High Frequencies", Advanced Materials Research, Vols. 194-196, pp. 2027-2030, 2011
Online since
February 2011
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$32.00
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