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Effect of supercritical CO2 on corrosion behavior and mechanism of fiber reinforced pipe

  • Harbin Institute of Technology
  • R & D Center

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of supercritical CO2 (sc-CO2) on corrosion behavior and mechanism of fiber reinforced pipe (FRP) in this work. The pitting corrosion occurs on the surface of matrix due to the dissolution by sc-CO2. A minute change in the constitution of elements and functional groups are observed as well as atomic ratio of O to C, which increases from 37.23% to 42.43% after treatment. Furthermore, the stiffness of FRP decreases from 6455 N/m2 to 6421 N/m2 suffering from the corrosion of mixture containing sc-CO2. The corrosion mechanism of FRP in sc-CO2 can be confirmed as physical dissolution and hydrolysis reaction.

Original languageEnglish
Pages (from-to)180-182
Number of pages3
JournalCorrosion Science
Volume113
DOIs
StatePublished - 1 Dec 2016
Externally publishedYes

Keywords

  • A. Polymer
  • B. IR spectroscopy
  • B. SEM
  • B. XPS
  • C. Acid corrosion
  • C. Pitting corrosion

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