|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Aluminum Alloys, Processing and Characterization
||Secondary Aluminum Alloys Processed by Semisolid Process for Automotive Application
||Fabrizio D'Errico, Davide Mattavelli
|On-Site Speaker (Planned)
OEMs producing safety components require to reduce Fe-contaminant compounds in secondary aluminum alloys, responsible of high brittleness of final microstructure. According to recent advancements, Fe-compounds in recycled aluminum can be controlled trough semisolid process. In this work, investigation about key parameters was conducted, related to the specimen microstructure. Stirring time and solid fraction are key parameters to obtain a globular microstructure. Tensile tests were performed showing promising results (yield strength about 300MPa and ultimate tensile stress about 330MPa were found to be slightly better than standard casting alloys). Semisolid microstructure furthermore allowed breaking of Fe-contaminant compounds, thus producing increase in percentage elongation and toughness, main requirement automotive sector pursues for introducing low-cost and low-environmental impacting secondary aluminum alloys.
||Planned: Light Metals