Study of the coating/substrate interface by scanning acoustic microscopy: Cathodic disbonding of epoxy-polyamide lacquer from mild steel

J. D. Crossen, J. M. Sykes, T. Zhai, G. A.D. Briggs

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

The scanning acoustic microscope (SAM) has been used to examine changes at the interface during cathodic disbonding of an epoxy-polyamide coating from mild steel exposed to NaCl solution. The disbonding at a linear scribe is seen to stop after about 50 min, with subsequent development of microblistering in a widening zone alongside the disbond. Time-of-flight measurements allow blister heights to be measured.

Original languageEnglish
Pages (from-to)417-424
Number of pages8
JournalFaraday Discussions
Volume107
DOIs
StatePublished - 1997

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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