A closer look at constituent induced localised corrosion in Al-Cu-Mg alloys

N. Birbilis; Y.M. Zhu; S.K. Kairy; MA Glenn; J.F. Nie; A.J. Morton; Yaiza Gonzalez Garcia; Herman Terryn; Arjan Mol; A.E. Hughes

doi:10.1016/j.corsci.2016.10.018

A closer look at constituent induced localised corrosion in Al-Cu-Mg alloys

N. Birbilis, Y.M. Zhu, S.K. Kairy, MA Glenn, J.F. Nie, A.J. Morton, Yaiza Gonzalez Garcia, Herman Terryn, Arjan Mol, A.E. Hughes

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

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Abstract

The role of constituent intermetallic particles in the pitting corrosion of aluminium (Al) alloys is well recognised. A definitive quantification of the role of unique constituent particles has contributed towards an enhanced understanding of Al-alloy corrosion, however the complexity of Al-alloy microstructures warrants further attention. In the present work we identify a unique intermetallic type in contemporary versions of AA2024-T3, which has a two-phase structure, defined by two distinct crystal types, and distinct compositions. Detailed characterisation is used to unambiguously define this constituent, along with its role in localised corrosion.

Original language	English
Pages (from-to)	160-171
Journal	Corrosion Science: the journal on environmental degradation of materials and its control
Volume	113
DOIs	https://doi.org/10.1016/j.corsci.2016.10.018
Publication status	Published - 2016

Keywords

A: aluminium
A: intermetallics
B: TEM
B: STEM
C: pitting corrosion
AA2024

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10.1016/j.corsci.2016.10.018

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Birbilis, N., Zhu, Y. M., Kairy, S. K., Glenn, MA., Nie, J. F., Morton, A. J., Gonzalez Garcia, Y., Terryn, H., Mol, A., & Hughes, A. E. (2016). A closer look at constituent induced localised corrosion in Al-Cu-Mg alloys. Corrosion Science: the journal on environmental degradation of materials and its control, 113, 160-171. https://doi.org/10.1016/j.corsci.2016.10.018

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abstract = "The role of constituent intermetallic particles in the pitting corrosion of aluminium (Al) alloys is well recognised. A definitive quantification of the role of unique constituent particles has contributed towards an enhanced understanding of Al-alloy corrosion, however the complexity of Al-alloy microstructures warrants further attention. In the present work we identify a unique intermetallic type in contemporary versions of AA2024-T3, which has a two-phase structure, defined by two distinct crystal types, and distinct compositions. Detailed characterisation is used to unambiguously define this constituent, along with its role in localised corrosion.",

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author = "N. Birbilis and Y.M. Zhu and S.K. Kairy and MA Glenn and J.F. Nie and A.J. Morton and {Gonzalez Garcia}, Yaiza and Herman Terryn and Arjan Mol and A.E. Hughes",

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doi = "10.1016/j.corsci.2016.10.018",

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T1 - A closer look at constituent induced localised corrosion in Al-Cu-Mg alloys

AU - Birbilis, N.

AU - Zhu, Y.M.

AU - Kairy, S.K.

AU - Glenn, MA

AU - Nie, J.F.

AU - Morton, A.J.

AU - Gonzalez Garcia, Yaiza

AU - Terryn, Herman

AU - Mol, Arjan

AU - Hughes, A.E.

PY - 2016

Y1 - 2016

N2 - The role of constituent intermetallic particles in the pitting corrosion of aluminium (Al) alloys is well recognised. A definitive quantification of the role of unique constituent particles has contributed towards an enhanced understanding of Al-alloy corrosion, however the complexity of Al-alloy microstructures warrants further attention. In the present work we identify a unique intermetallic type in contemporary versions of AA2024-T3, which has a two-phase structure, defined by two distinct crystal types, and distinct compositions. Detailed characterisation is used to unambiguously define this constituent, along with its role in localised corrosion.

AB - The role of constituent intermetallic particles in the pitting corrosion of aluminium (Al) alloys is well recognised. A definitive quantification of the role of unique constituent particles has contributed towards an enhanced understanding of Al-alloy corrosion, however the complexity of Al-alloy microstructures warrants further attention. In the present work we identify a unique intermetallic type in contemporary versions of AA2024-T3, which has a two-phase structure, defined by two distinct crystal types, and distinct compositions. Detailed characterisation is used to unambiguously define this constituent, along with its role in localised corrosion.

KW - A: aluminium

KW - A: intermetallics

KW - B: TEM

KW - B: STEM

KW - C: pitting corrosion

KW - AA2024

U2 - 10.1016/j.corsci.2016.10.018

DO - 10.1016/j.corsci.2016.10.018

M3 - Article

SN - 0010-938X

VL - 113

SP - 160

EP - 171

JO - Corrosion Science: the journal on environmental degradation of materials and its control

JF - Corrosion Science: the journal on environmental degradation of materials and its control

ER -

A closer look at constituent induced localised corrosion in Al-Cu-Mg alloys

Abstract

Keywords

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