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Casting Characteristics of High Cerium Content Aluminum Alloys

TitleCasting Characteristics of High Cerium Content Aluminum Alloys
Publication TypeJournal Article
Year of Publication2017
AuthorsWeiss, D, Rios, O, Sims, Z, McCall, S, Ott, R
Secondary AuthorsRatvik, AP
JournalLight Metals 2017
Date Published02
ISBN Number978-3-319-51541-0; 978-3-319-51540-3
Accession NumberWOS:000407106200028
Keywordsaluminum, Casting alloys, cerium, intermetallic

This paper compares the castability of the near eutectic aluminum-cerium alloy system to the aluminum-silicon and aluminum-copper systems. The alloys are compared based on die filling capability, feeding characteristics and tendency to hot tear in both sand cast and permanent mold applications. The castability ranking of the binary Al-Ce systems is as good as the aluminum-silicon system with some deterioration as additional alloying elements are added. In alloy systems that use cerium in combination with common aluminum alloying elements such as silicon, magnesium and/or copper, the casting characteristics are generally better than the aluminum-copper system. In general, production systems for melting, de-gassing and other processing of aluminum-silicon or aluminum-copper alloys can be used without modification for conventional casting of aluminum-cerium alloys.

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