Die casting with zinc alloys is one of the most efficient and versatile production methods used for the manufacture of accurate complex and detailed metal components. In general, the mechanical properties of zinc alloy die castings at normal temperatures are superior to sand castings of gray iron, brass, and aluminum, particularly in toughness and impact strength. They are much stronger, tougher, and more dimensionally stable than injection molded plastics and can be produced at a higher rate. Many components normally manufactured in iron, copper, or aluminum alloys, or in plastics, can be produced as zinc alloy die castings and show improved properties, often at reduced costs. All zinc casting alloys to be considered in this discussion are of the zinc-aluminum-copper-magnesium system, representing the production of nearly all zinc die castings. Zinc alloys, either cast or wrought, are used in many structural and decorative applications in automotive products. This paper describes the metallurgy of the most important of these alloys, paying particular attention to the role of major alloying elements on development of useful properties. Prospects for future developments are also described.
The metallurgy of zinc alloys for automotive applications
Die Metallurgie von Zinklegierungen für Anwendungen im Automobilbereich
SAE Technical Papers ; 1-9
1993
9 Seiten, 17 Bilder, 3 Tabellen, 16 Quellen
Conference paper
English
Automobilindustrie , Materialforschung , Werkstoffeignung , Metallurgie , Zinklegierung , Druckgusslegierung , Verarbeitungseigenschaft , Kostenersparnis , Oberflächengüte , Fertigungsgenauigkeit , Legierungselement , Vergleich (System) , Forschung , Gebrauchseignung , Werkstoffwahl , Gusslegierung , Oberflächenbeschaffenheit , Genauigkeit , Vergleich
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