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Rare Metals

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19.12.2015

Microstructure characterization in a sensitized Al–Mg–Mn–Zn alloy

verfasst von: Chun-Yan Meng, Di Zhang, Ping-Ping Liu, Lin-Zhong Zhuang, Ji-Shan Zhang

Erschienen in: Rare Metals | Ausgabe 2/2018

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Abstract

Alloying elements, present in the aluminum solid solution or the precipitates, influence the corrosion resistance of Al–Mg–Mn–Zn alloys. In this study, sensitizing treatment was applied to an Al–Mg–Mn–Zn alloy to modify the precipitation at the grain boundaries or in the grains. Transmission electron microscopy (TEM) and scanning electron microscope (SEM) were used to characterize various second-phase particles and determine their orientation relationship with the Al matrix. After sensitizing treatment, τ-phase (Mg₃₂(Al, Zn)₄₉) is observed to precipitate along the grain boundaries in a coarser size, producing a discontinuous grain boundary precipitate structure. In addition, Mn-rich particles are found to form with various shapes, such as global, plate and rhombus.

Vorheriger Artikel Controlled pore size of Pt/KIT-6 used for propane total oxidation

Nächster Artikel Binding property of Al/Mg/Al thin plates fabricated by one-pass hot rolling with different reduction ratios, temperatures and annealing treatments

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Titel: Microstructure characterization in a sensitized Al–Mg–Mn–Zn alloy
verfasst von: Chun-Yan Meng
Di Zhang
Ping-Ping Liu
Lin-Zhong Zhuang
Ji-Shan Zhang
Publikationsdatum: 19.12.2015
Verlag: Nonferrous Metals Society of China
Erschienen in: Rare Metals / Ausgabe 2/2018
Print ISSN: 1001-0521
Elektronische ISSN: 1867-7185
DOI: https://doi.org/10.1007/s12598-015-0665-4

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