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      Recycling of Aluminium Alloy Scraps by Pressure-Assisted Investment Casting for Aluminium Foam Manufacture Translated title: Recycling von Aluminiumschrott durch Druckfeinguss für die Herstellung von Aluminiumschaum

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          Abstract

          Recycling of ADC12 alloy scraps for fabrication of open-cell aluminium foams has been conducted via pressure infiltration method of replication process. The scrap, up to 50 wt.-%, was melted with pure aluminium billet, followed by infiltration in a replicated mold of polyethylene foam structure. Compared with the pure aluminium foam, the compressive strength and hardness are higher the foams with recycled scraps of. The improvement of mechanical properties is due to the presence of Si hard phase in Al matrix. The strength and hardness of the foams also increase with increasing content of scrap.

          Kurzfassung

          Das Recycling von Schrott aus der Legierung ADC12 zur Produktion von offenporigen Alumniumschäumen wurde mittels des Druckinfiltrationsverfahrens durchgeführt. Hierzu wurden bis zu 50 wt.-%. Schrott zusammen mit reinen Aluminiumblöcken geschmolzen, anschließend mittels Infiltration mit nachgebildeter Polyethylenschaumstruktur-Gussform verarbeitet. Verglichen mit reinem Aluminiumschaum sind Druckfestigkeit und Härte der Schäume mit Schrottanteil höher. Die Verbesserung der mechanischen Eigenschaften lässt sich auf die Anwesenheit einer harten Si-Phase in der Aluminiummatrix zurückführen. Die Festigkeit und Härte der Schäume nimmt außerdem mit steigendem Schrottanteil zu.

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          Manufacture, characterisation and application of cellular metals and metal foams

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            • Article: not found

            Three defect types in friction stir welding of aluminum die casting alloy

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              Effect of pore size and relative density on the mechanical properties of open cell aluminum foams

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                Author and article information

                Journal
                mp
                Materials Testing
                Carl Hanser Verlag
                0025-5300
                2195-8572
                2012
                : 54
                : 6
                : 390-394
                Affiliations
                1 Bangkok, Thailand
                Author notes

                Seksak Asavavisithchai, Assistant Professor, is working in the Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok. He received his Ph.D. from the University of Nottingham, Nottingham, UK in the field of Materials Design and Engineering. His research interests are metallic foams, powder metallurgy, metal-matrix composite (MMC) and failure analysis.

                Natthida Jareankieathbovorn, formerly undergraduate student, is also working in the Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University.

                Areeya Srichaiyaperk, formerly undergraduate student, is also working in the Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University.

                Article
                MP110343
                10.3139/120.110343
                175db3ba-24a2-4db9-b7b4-00c8f880d429
                © 2012, Carl Hanser Verlag, München
                History
                Page count
                References: 9, Pages: 5
                Categories
                Fachbeiträge/Technical Contributions

                Materials technology,Materials characterization,Materials science
                Materials technology, Materials characterization, Materials science

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