Simulating the galvanic coupling between S-Al 2CuMg phase particles and the matrix of 2024 aerospace aluminium alloy

L. Lacroix; C. Blanc; N. Pébère; G. E. Thompson; B. Tribollet; V. Vivier

doi:10.1016/j.corsci.2012.07.020

Simulating the galvanic coupling between S-Al 2CuMg phase particles and the matrix of 2024 aerospace aluminium alloy

L. Lacroix
, C. Blanc
, N. Pébère
, G. E. Thompson
, B. Tribollet
, V. Vivier

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

Abstract

Study of the corrosion behaviour of a magnetron sputtered Al-Cu/Al-Cu-Mg model alloy couple in sulphate solutions has been undertaken to gain insight into the galvanic coupling between the matrix and S-Al 2CuMg particles in the 2024 aluminium alloy (AA2024). Polarisation curves and local electrochemical impedance spectroscopy measurements (LEIS) were performed on the individual alloys and on the model alloy couple. SEM enabled correlation of electrochemical phenomena to the observed damage. The corrosion behaviour of the sputtered alloys was shown to be representative of the AA2024, with the Al-Cu-Mg alloy part undergoing localised corrosion and the Al-Cu alloy part remaining passive. © 2012 Elsevier Ltd.

Original language	English
Pages (from-to)	213-221
Number of pages	8
Journal	Corrosion Science
Volume	64
DOIs	https://doi.org/10.1016/j.corsci.2012.07.020
Publication status	Published - Nov 2012

Keywords

A. Aluminium
A. Sputtered films
B. LEIS
B. Polarisation
C. Galvanic coupling

Access to Document

10.1016/j.corsci.2012.07.020

Light Alloys towards environmentally sustainable transport: 2nd generation solutions for Advanced Metallic Systems ( LATEST 2 )
Thompson, G. (PI), Bate, P. (CoI), Prangnell, P. (CoI), Preuss, M. (CoI), Quinta Da Fonseca, J. (CoI), Robson, J. (CoI), Skeldon, P. (CoI) & Zhou, X. (CoI)
1/02/10 → 31/07/15
Project: Research

Cite this

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title = "Simulating the galvanic coupling between S-Al 2CuMg phase particles and the matrix of 2024 aerospace aluminium alloy",

abstract = "Study of the corrosion behaviour of a magnetron sputtered Al-Cu/Al-Cu-Mg model alloy couple in sulphate solutions has been undertaken to gain insight into the galvanic coupling between the matrix and S-Al 2CuMg particles in the 2024 aluminium alloy (AA2024). Polarisation curves and local electrochemical impedance spectroscopy measurements (LEIS) were performed on the individual alloys and on the model alloy couple. SEM enabled correlation of electrochemical phenomena to the observed damage. The corrosion behaviour of the sputtered alloys was shown to be representative of the AA2024, with the Al-Cu-Mg alloy part undergoing localised corrosion and the Al-Cu alloy part remaining passive. {\textcopyright} 2012 Elsevier Ltd.",

keywords = "A. Aluminium, A. Sputtered films, B. LEIS, B. Polarisation, C. Galvanic coupling",

author = "L. Lacroix and C. Blanc and N. P{\'e}b{\`e}re and Thompson, \{G. E.\} and B. Tribollet and V. Vivier",

year = "2012",

month = nov,

doi = "10.1016/j.corsci.2012.07.020",

language = "English",

volume = "64",

pages = "213--221",

journal = "Corrosion Science",

issn = "1879-0496",

publisher = "Elsevier BV",

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TY - JOUR

T1 - Simulating the galvanic coupling between S-Al 2CuMg phase particles and the matrix of 2024 aerospace aluminium alloy

AU - Lacroix, L.

AU - Blanc, C.

AU - Pébère, N.

AU - Thompson, G. E.

AU - Tribollet, B.

AU - Vivier, V.

PY - 2012/11

Y1 - 2012/11

N2 - Study of the corrosion behaviour of a magnetron sputtered Al-Cu/Al-Cu-Mg model alloy couple in sulphate solutions has been undertaken to gain insight into the galvanic coupling between the matrix and S-Al 2CuMg particles in the 2024 aluminium alloy (AA2024). Polarisation curves and local electrochemical impedance spectroscopy measurements (LEIS) were performed on the individual alloys and on the model alloy couple. SEM enabled correlation of electrochemical phenomena to the observed damage. The corrosion behaviour of the sputtered alloys was shown to be representative of the AA2024, with the Al-Cu-Mg alloy part undergoing localised corrosion and the Al-Cu alloy part remaining passive. © 2012 Elsevier Ltd.

AB - Study of the corrosion behaviour of a magnetron sputtered Al-Cu/Al-Cu-Mg model alloy couple in sulphate solutions has been undertaken to gain insight into the galvanic coupling between the matrix and S-Al 2CuMg particles in the 2024 aluminium alloy (AA2024). Polarisation curves and local electrochemical impedance spectroscopy measurements (LEIS) were performed on the individual alloys and on the model alloy couple. SEM enabled correlation of electrochemical phenomena to the observed damage. The corrosion behaviour of the sputtered alloys was shown to be representative of the AA2024, with the Al-Cu-Mg alloy part undergoing localised corrosion and the Al-Cu alloy part remaining passive. © 2012 Elsevier Ltd.

KW - A. Aluminium

KW - A. Sputtered films

KW - B. LEIS

KW - B. Polarisation

KW - C. Galvanic coupling

U2 - 10.1016/j.corsci.2012.07.020

DO - 10.1016/j.corsci.2012.07.020

M3 - Article

SN - 1879-0496

VL - 64

SP - 213

EP - 221

JO - Corrosion Science

JF - Corrosion Science

ER -

Simulating the galvanic coupling between S-Al 2CuMg phase particles and the matrix of 2024 aerospace aluminium alloy

Abstract

Keywords

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Projects

Light Alloys towards environmentally sustainable transport: 2nd generation solutions for Advanced Metallic Systems ( LATEST 2 )

Cite this