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Corrosion behavior of friction stir blind riveted Al/CFRP and Mg/CFRP joints exposed to a marine environment

  • Shengxi Li
  • , Haris Ali Khan
  • , Lloyd H. Hihara
  • , Hongbo Cong
  • , Jingjing Li

Research output: Contribution to journalArticlepeer-review

Abstract

This paper investigated the corrosion behavior of Al/CFRP (carbon fiber-reinforced plastic) and Mg/CFRP FSBR (friction stir blind riveting) joints after six-month exposure to a marine environment. It was found that Mg in the Mg/CFRP joint experienced severe uniform corrosion in most regions but not inside the crevice. Severe corrosion occurred on Al in the coupled regions due to crevice corrosion and/or galvanic corrosion. Magnesium carbonate-hydrates were identified by several characterization techniques (FTIR, XRD and XPS) as the corrosion products formed on Mg in both coupled and un-coupled regions; and dawsonite and bayerite were found on Al in the coupled regions.

Original languageEnglish (US)
Pages (from-to)300-309
Number of pages10
JournalCorrosion Science
Volume132
DOIs
StatePublished - Mar 2018

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 14 - Life Below Water
    SDG 14 Life Below Water

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering
  • General Materials Science

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