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      The Influence of Stored Energy on Grain Boundary Chemistry and Intergranular Corrosion Development in AA2024-T3 Alloy

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          Abstract

          Following our previous research, the correlation between the micro-chemistry of grain boundary and the distribution of stored energy in AA2024-T3 alloy is investigated, using the combination of transmission Kikuchi diffraction and transmission electron microscopy. It is found that the difference of dislocation density, namely stored energy, between two neighboring grains significantly affects the micro-chemistry of the grain boundary. Further, it is revealed that intergranular corrosion development in the AA2024-T3 alloy is mainly attributed to the combined effect of grain boundary chemistry and stored energy distribution.

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          Most cited references 41

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          Precipitates and intermetallic phases in precipitation hardening Al–Cu–Mg–(Li) based alloys

           M. J. Starink,  S Wang (2013)
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            Corrosion of AA2024-T3 Part I: Localised corrosion of isolated IM particles

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              Investigation of dealloying of S phase (Al 2 CuMg) in AA 2024-T3 aluminium alloy using high resolution 2D and 3D electron imaging

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                Author and article information

                Journal
                Materials (Basel)
                Materials (Basel)
                materials
                Materials
                MDPI
                1996-1944
                16 November 2018
                November 2018
                : 11
                : 11
                Affiliations
                [1 ]Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; guangyicai@ 123456hust.edu.cn (G.C.); yuyang@ 123456hust.edu.cn (Y.Y.); luxueqin@ 123456hust.edu.cn (X.L.); yanbinjiao@ 123456hust.edu.cn (Y.J.)
                [2 ]Corrosion and Protection Centre, School of Materials, The University of Manchester, Manchester M13 9PL, UK
                Author notes
                Article
                materials-11-02299
                10.3390/ma11112299
                6265874
                30453489
                © 2018 by the authors.

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( http://creativecommons.org/licenses/by/4.0/).

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