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On-line monitoring of epoxy resin exposed to acid solution

  • Yuyan Liu*
  • , M. Kubouchi
  • , H. Sembokuya
  • , K. Tsuda
  • , T. Tomiyama
  • *Corresponding author for this work
  • Institute of Science Tokyo
  • Public Works Research Institute

Research output: Contribution to journalArticlepeer-review

Abstract

A new on-line health monitoring technology for the determination of the penetration of environment solution into epoxy resin was pursued. A corrosion sensor including plastic optical fiber and pH indicator was fabricated. The color-change layer of this sensor appeared after immersion in sulfuric acid solution, which could be examined by using optical fiber and spectrophotometer. The results showed that the penetration of sulfuric acid was detected by adding bromophenol blue (BPB) in the corrosion sensor. This system could be applied to on-line health monitoring of chemical equipment structures.

Original languageEnglish
Pages (from-to)414-418
Number of pages5
JournalJournal of Materials Science and Technology
Volume22
Issue number3
StatePublished - May 2006

Keywords

  • Corrosion monitoring
  • Epoxy resin
  • Optical fiber

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