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Method for obtaining improved mechanical properties in recycled aluminium castings free of platelet-shaped beta-phases

The present invention relates to iron containing aluminium alloys free of primary platelet-shaped beta-phase of the Al5FeSi-type in the solidified structure presenting the following chemical composition (in weight %): Si: 6.00 – 9.50; Fe: 0.15 – 0.60; Mn: 0.04 – 0.60; Mg: 0.20 – 0.70; Cr:0.01 – 0.60; Ti: 0.05 – 0.30; Sr and/or Na: 0.001 – 0.25; V:0.00 – 0.60; Cu:0.01 – 0.25; Ni: 0.01 – 0.1; Zn: 0.01 – 0.1; the balance being Al and incidental impurities. The present invention relates also to a process for the preparation of this aluminium alloy and aluminium alloy casting for example as components in aeronautic, automotive and energy industry.


Dr. Ana I. Fernández-Calvo; Dr. Andrea Niklas; Ignacio Alfaro Abreu (Befesa Aluminio S.L.); Iñigo Anza Ortiz de Apodaca (Befesa Aluminio S.L.)


Future mechanical properties, Unacceptable mechanical properties, Polynomial kernel, Sole classifier, Bayesian compression, Qualitative conclusions, Manufacturing batch, Engineering team, Hill climbing, In-depth knowledge.


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