Electrochemical and corrosion response of commercially pure aluminum alloyed with binary additions of strontium

N. L. Sukiman; H. Shi; R. K. Gupta; R. G. Buchheit; N. Birbilis

doi:10.1149/2.001308jes

Electrochemical and corrosion response of commercially pure aluminum alloyed with binary additions of strontium

N. L. Sukiman, H. Shi, R. K. Gupta, R. G. Buchheit, N. Birbilis

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

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Abstract

The influence of strontium (Sr) on the electrochemical response and corrosion of aluminum (Al) was studied over the range of 0 to 2.45 wt.% binary Sr additions. There is a paucity of prior information regarding the influence of Sr upon Al in any context, and the results herein revealed that corrosion attack is not predominantly associated with Sr containing phases, but rather Fe-rich constituents. Al₄Sr intermetallic particles appear to be electrochemically homogeneous with the Al-matrix, which is both unique and important in the context of Al-alloy corrosion. The changes in corrosion rate with increasing Sr content are generally subtle, with a relative increase observed at approximately 0.1 wt.% Sr, followed by a reduction in corrosion rate with increasing Sr.

Original language	English
Pages (from-to)	C299-C304
Journal	Journal of the Electrochemical Society
Volume	160
Issue number	8
DOIs	https://doi.org/10.1149/2.001308jes
State	Published - 2013

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Materials Chemistry
Surfaces, Coatings and Films
Electrochemistry
Renewable Energy, Sustainability and the Environment

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10.1149/2.001308jes

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abstract = "The influence of strontium (Sr) on the electrochemical response and corrosion of aluminum (Al) was studied over the range of 0 to 2.45 wt.% binary Sr additions. There is a paucity of prior information regarding the influence of Sr upon Al in any context, and the results herein revealed that corrosion attack is not predominantly associated with Sr containing phases, but rather Fe-rich constituents. Al4Sr intermetallic particles appear to be electrochemically homogeneous with the Al-matrix, which is both unique and important in the context of Al-alloy corrosion. The changes in corrosion rate with increasing Sr content are generally subtle, with a relative increase observed at approximately 0.1 wt.% Sr, followed by a reduction in corrosion rate with increasing Sr.",

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AU - Sukiman, N. L.

AU - Shi, H.

AU - Gupta, R. K.

AU - Buchheit, R. G.

AU - Birbilis, N.

PY - 2013

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N2 - The influence of strontium (Sr) on the electrochemical response and corrosion of aluminum (Al) was studied over the range of 0 to 2.45 wt.% binary Sr additions. There is a paucity of prior information regarding the influence of Sr upon Al in any context, and the results herein revealed that corrosion attack is not predominantly associated with Sr containing phases, but rather Fe-rich constituents. Al4Sr intermetallic particles appear to be electrochemically homogeneous with the Al-matrix, which is both unique and important in the context of Al-alloy corrosion. The changes in corrosion rate with increasing Sr content are generally subtle, with a relative increase observed at approximately 0.1 wt.% Sr, followed by a reduction in corrosion rate with increasing Sr.

AB - The influence of strontium (Sr) on the electrochemical response and corrosion of aluminum (Al) was studied over the range of 0 to 2.45 wt.% binary Sr additions. There is a paucity of prior information regarding the influence of Sr upon Al in any context, and the results herein revealed that corrosion attack is not predominantly associated with Sr containing phases, but rather Fe-rich constituents. Al4Sr intermetallic particles appear to be electrochemically homogeneous with the Al-matrix, which is both unique and important in the context of Al-alloy corrosion. The changes in corrosion rate with increasing Sr content are generally subtle, with a relative increase observed at approximately 0.1 wt.% Sr, followed by a reduction in corrosion rate with increasing Sr.

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Electrochemical and corrosion response of commercially pure aluminum alloyed with binary additions of strontium

Abstract

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