Marine atmospheric corrosion of Al-Mg joints by friction stir blind riveting

Shengxi Li; Haris Khan; Lloyd H. Hihara; Jingjing Li

doi:10.1016/j.corsci.2016.05.009

Marine atmospheric corrosion of Al-Mg joints by friction stir blind riveting

Shengxi Li, Haris Khan, Lloyd H. Hihara, Jingjing Li

Marcus Department of Industrial and Manufacturing Engineering

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

37 Scopus citations

Abstract

This paper investigated the atmospheric corrosion behavior of Al-Mg friction stir blind riveting joints exposed at a severe marine test environment. Besides the severe corrosion that occurred on Mg alloy AZ31B-H23, Al alloy 5754-O also corroded in the coupled region because of the alkaline condition generated by the cathodic reaction inside of the crevice. The highly alkaline environment, however, passivated Mg deep inside the crevice. The corrosion products on Mg were identified as magnesium carbonates and that on Al was mainly gibbsite, which was an unusual corrosion product of Al exposed to atmospheric conditions.

Original language	English (US)
Pages (from-to)	793-801
Number of pages	9
Journal	Corrosion Science
Volume	111
DOIs	https://doi.org/10.1016/j.corsci.2016.05.009
State	Published - Oct 1 2016

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
General Materials Science

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10.1016/j.corsci.2016.05.009

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title = "Marine atmospheric corrosion of Al-Mg joints by friction stir blind riveting",

abstract = "This paper investigated the atmospheric corrosion behavior of Al-Mg friction stir blind riveting joints exposed at a severe marine test environment. Besides the severe corrosion that occurred on Mg alloy AZ31B-H23, Al alloy 5754-O also corroded in the coupled region because of the alkaline condition generated by the cathodic reaction inside of the crevice. The highly alkaline environment, however, passivated Mg deep inside the crevice. The corrosion products on Mg were identified as magnesium carbonates and that on Al was mainly gibbsite, which was an unusual corrosion product of Al exposed to atmospheric conditions.",

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

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doi = "10.1016/j.corsci.2016.05.009",

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AU - Li, Shengxi

AU - Khan, Haris

AU - Hihara, Lloyd H.

AU - Li, Jingjing

PY - 2016/10/1

Y1 - 2016/10/1

N2 - This paper investigated the atmospheric corrosion behavior of Al-Mg friction stir blind riveting joints exposed at a severe marine test environment. Besides the severe corrosion that occurred on Mg alloy AZ31B-H23, Al alloy 5754-O also corroded in the coupled region because of the alkaline condition generated by the cathodic reaction inside of the crevice. The highly alkaline environment, however, passivated Mg deep inside the crevice. The corrosion products on Mg were identified as magnesium carbonates and that on Al was mainly gibbsite, which was an unusual corrosion product of Al exposed to atmospheric conditions.

AB - This paper investigated the atmospheric corrosion behavior of Al-Mg friction stir blind riveting joints exposed at a severe marine test environment. Besides the severe corrosion that occurred on Mg alloy AZ31B-H23, Al alloy 5754-O also corroded in the coupled region because of the alkaline condition generated by the cathodic reaction inside of the crevice. The highly alkaline environment, however, passivated Mg deep inside the crevice. The corrosion products on Mg were identified as magnesium carbonates and that on Al was mainly gibbsite, which was an unusual corrosion product of Al exposed to atmospheric conditions.

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JO - Corrosion Science

JF - Corrosion Science

ER -

Marine atmospheric corrosion of Al-Mg joints by friction stir blind riveting

Abstract

All Science Journal Classification (ASJC) codes

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