IJMC/FEF Student Research Competition: Toward a Fully Recycled Aluminum Alloy for Automotive Structural Applications

IJMC/FEF Student Research Competition Toward a Fully Recycled Aluminum Alloy for Automotive Structural Applications

Aluminum alloys possess excellent mechanical properties and corrosion resistance that make them desirable for applications in the automotive industry. Additionally, aluminum is infinitely recyclable with excellent recovery rates. However, recycling aluminum leads to the accumulation of impurities su...

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Bibliographic Details
Published in:International journal of metalcasting Vol. 18; no. 1; pp. 30 - 34
Main Authors: Sims, Connor, Sorkin, Benjamin, Lange, Cory, Moodispaw, Michael P.
Format: Journal Article
Language:English
Published: Cham Springer International Publishing 2024
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Materials Science
Metallic Materials
Structural Materials
alloy development
Al-Si casting alloys
light alloys
mechanical behavior
secondary aluminum
casting technologies
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Summary:Aluminum alloys possess excellent mechanical properties and corrosion resistance that make them desirable for applications in the automotive industry. Additionally, aluminum is infinitely recyclable with excellent recovery rates. However, recycling aluminum leads to the accumulation of impurities such as iron and copper. These impurity elements decrease the ductility and fatigue life of secondary aluminum, which limits the use of recycled alloys for structural applications. Casting is one of the most efficient methods used to fabricate aluminum alloys due to a low melting point and relatively high fluidity. This study executed a thorough analysis of the processing-structure-property relationships of two commercial secondary alloys: 383.1 and 356.1. Additionally, one custom recycled aluminum alloy was designed and prepared for permanent mold casting. Metallographic samples of each alloy were prepared for microstructural analysis. Furthermore, ASTM subsize tensile bars were machined for tensile testing. The results obtained from the permanent mold casting trials are promising for structural application of new secondary alloys.
ISSN:1939-5981
2163-3193
DOI:10.1007/s40962-023-01186-4