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^*

^*Corresponding author for this work

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

42 Citations (Scopus)

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 - Sept 2017
Externally published	Yes

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10.1016/j.corsci.2017.07.015

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title = "The effect of reversion heat treatment on the degree of sensitisation for aluminium alloy AA5083",

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.",

keywords = "A. Alloy, A. Aluminium, B. SEM, B. STEM, C. Intergranular corrosion",

author = "R. Zhang and Y. Zhang and Y. Yan and S. Thomas and Davies, {C. H.J.} and N. Birbilis",

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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

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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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DO - 10.1016/j.corsci.2017.07.015

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VL - 126

SP - 324

EP - 333

JO - Corrosion Science

JF - Corrosion Science

ER -

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

Abstract

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