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

doi:10.1016/j.corsci.2018.01.005

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

Marcus Department of Industrial and Manufacturing Engineering

Research output: Contribution to journal › Article › peer-review

75 Scopus citations

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 language	English (US)
Pages (from-to)	300-309
Number of pages	10
Journal	Corrosion Science
Volume	132
DOIs	https://doi.org/10.1016/j.corsci.2018.01.005
State	Published - Mar 2018

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
General Materials Science

UN SDGs

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

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10.1016/j.corsci.2018.01.005

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

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.",

author = "Shengxi Li and Khan, {Haris Ali} and Hihara, {Lloyd H.} and Hongbo Cong and Jingjing Li",

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doi = "10.1016/j.corsci.2018.01.005",

language = "English (US)",

volume = "132",

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T1 - Corrosion behavior of friction stir blind riveted Al/CFRP and Mg/CFRP joints exposed to a marine environment

AU - Li, Shengxi

AU - Khan, Haris Ali

AU - Hihara, Lloyd H.

AU - Cong, Hongbo

AU - Li, Jingjing

PY - 2018/3

Y1 - 2018/3

N2 - 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.

AB - 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.

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

Abstract

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