The effect of reversion heat treatment on the degree of sensitisation for aluminium alloy AA5083

R. Zhang; Y. Zhang; Y. Yan; S. Thomas; C. H. J. Davies; N. Birbilis

doi:10.1016/j.corsci.2017.07.015

The effect of reversion heat treatment on the degree of sensitisation for aluminium alloy AA5083

R. Zhang, Y. Zhang, Y. Yan, S. Thomas, C. H. J. Davies, N. Birbilis

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Abstract

A detailed study of reversion heat treatment on a naturally sensitised field retrieved AA5083 (Al-Mg-Mn) sample was carried out. The reversion temperatures studied were between 150 and 240 °C, which span the β-phase (Mg₂Al₃) transformation temperature. The degree of sensitisation (DoS) prior to and after reversion was investigated via the nitric acid mass loss test (NAMLT); revealing the effect of reversion heat treatment was principally dictated by reversion temperature. The DoS of reversion treated samples was correlated to the grain boundary β-phase continuity, as assessed by quantitative electron microscopy herein.

Original language	English
Pages (from-to)	324-333
Number of pages	10
Journal	Corrosion Science
Volume	126
DOIs	https://doi.org/10.1016/j.corsci.2017.07.015
Publication status	Published - 1 Sep 2017

Keywords

A. Alloy
A. Aluminium
B. SEM
B. STEM
C. Intergranular corrosion

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10.1016/j.corsci.2017.07.015

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abstract = "A detailed study of reversion heat treatment on a naturally sensitised field retrieved AA5083 (Al-Mg-Mn) sample was carried out. The reversion temperatures studied were between 150 and 240 °C, which span the β-phase (Mg2Al3) transformation temperature. The degree of sensitisation (DoS) prior to and after reversion was investigated via the nitric acid mass loss test (NAMLT); revealing the effect of reversion heat treatment was principally dictated by reversion temperature. The DoS of reversion treated samples was correlated to the grain boundary β-phase continuity, as assessed by quantitative electron microscopy herein.",

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AU - Zhang, R.

AU - Zhang, Y.

AU - Yan, Y.

AU - Thomas, S.

AU - Davies, C. H. J.

AU - Birbilis, N.

PY - 2017/9/1

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N2 - A detailed study of reversion heat treatment on a naturally sensitised field retrieved AA5083 (Al-Mg-Mn) sample was carried out. The reversion temperatures studied were between 150 and 240 °C, which span the β-phase (Mg2Al3) transformation temperature. The degree of sensitisation (DoS) prior to and after reversion was investigated via the nitric acid mass loss test (NAMLT); revealing the effect of reversion heat treatment was principally dictated by reversion temperature. The DoS of reversion treated samples was correlated to the grain boundary β-phase continuity, as assessed by quantitative electron microscopy herein.

AB - A detailed study of reversion heat treatment on a naturally sensitised field retrieved AA5083 (Al-Mg-Mn) sample was carried out. The reversion temperatures studied were between 150 and 240 °C, which span the β-phase (Mg2Al3) transformation temperature. The degree of sensitisation (DoS) prior to and after reversion was investigated via the nitric acid mass loss test (NAMLT); revealing the effect of reversion heat treatment was principally dictated by reversion temperature. The DoS of reversion treated samples was correlated to the grain boundary β-phase continuity, as assessed by quantitative electron microscopy herein.

KW - A. Alloy

KW - A. Aluminium

KW - B. SEM

KW - B. STEM

KW - C. Intergranular corrosion

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M3 - Article

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SP - 324

EP - 333

JO - Corrosion Science

JF - Corrosion Science

SN - 0010-938X

ER -

The effect of reversion heat treatment on the degree of sensitisation for aluminium alloy AA5083

Abstract

Keywords

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