Professor Material Science Engineering · The Ohio State University · company speakers →
Aluminum is increasingly used for lightweighting applications in the transportation industries to reduce energy consumption and carbon footprint. However, primary production of aluminum is energy-intensive with extensive CO2 emission. Re-melting aluminum scrap only uses ~5% of the energy (and significantly reduced emission) required to produce primary aluminum from ores. The amount of aluminum available for recycling is estimated to double by 2050, providing a huge opportunity to achieve a near closed loop cycle (material circularity) for aluminum. The use of recycled aluminum in structural casting applications will improve the sustainability of the aluminum and manufacturing industries. The mechanical properties of secondary (recycled) aluminum alloys are often limited by their high “impurities” which can be refined during recycling or mitigated via microalloying in alloy design. Examples are given on designing secondary aluminum alloys for structural die casting applications using an integrated computational materials engineering (ICME) approach.
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