Effect of minor addition of Zn on precipitate crystal structures and intergranular corrosion in 6082 Al-Mg-Si alloys

IF 7.4 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Corrosion Science Pub Date : 2025-03-12 DOI:10.1016/j.corsci.2025.112844
Emad H. Bartawi , Ghada Shaban , Calin D. Marioara , Ehsan Rahimi , Ruben Bjørge , Jonas K. Sunde , Yaiza Gonzalez-Garcia , Randi Holmestad , Rajan Ambat
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引用次数: 0

Abstract

Recycling Al alloys promotes greater sustainability, as the energy required to produce recycled alloys is only about 5 % of that needed to produce the same amount of primary alloys. However, the build-up of impurities, such as Zn, during the recycling process can negatively affect the corrosion resistance of recycled alloys. The results show that the susceptibility to intergranular corrosion increased with minor additions of zinc (≤ 0.06 wt%). Zn was found to segregate along the grain boundaries, and the STEM-EDS results indicate that the Zn incorporates into the structure of Mg-Si containing grain boundary precipitates.
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来源期刊
Corrosion Science
Corrosion Science 工程技术-材料科学:综合
CiteScore
13.60
自引率
18.10%
发文量
763
审稿时长
46 days
期刊介绍: Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.
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