C
Aluminum Alloys
ast aluminum has seen signif- icant growth during the past two decades, largely a result of automakers’ need to light- en their vehicles to improve
gas mileage. However, the material also has found its way into other industries, from kitchen utensils to high-strength erospace components. In general, cast aluminum should be selected for ap- ations that require lower weight and structure without necessarily needing high strength at elevated temperatures, such as gear housings, intake manifolds and ornamental castings.
has found its way into other industries, fr m kitchen utensils to high-strength aerospace components. In general, ast aluminum should be selected for ap- plplicications that require lo er weight and structure without necessarily needing high strength at elevated temperatures, such as gear housings, intake manifolds and ornamental castings. Premium high-
strength aluminum
strength aluminum alloys are avail- able that can be used for pump impellers, rotor hubs and low-
temperature turbine
temperature turbine applications.
Many diff erent methods and alloys can be used to produce this wide variety of cast aluminum components. T e choice of alloy and casting process will play a major role in the procurement process, aff ecting both component proper
operties and cost. T e procurement
process for cast aluminum parts always should begin with the design engineers defi ning the three major factors that drive the quality and cost on a cast aluminum component—functionality (service requirements), design (shape and size) and pr of these factors wil on the c
n the choice of casting method, alloy selection and cost, compo
n and cost, as well as fi nal mponent quality.
Properties More than 100 casting e than 100 c
aluminum alloloys are registered with the Aluminum Association. T e manufacturing advantages
n. e manufa
e) and production quantity. Each ctors will have a large bearing
The upper clamp for the front steering assembly of this motorcycle was cast in high strength aluminum, which signifi cantly reduced the component’s weight compared to the steel fabrication.
2015 CASTING SOURCE DIRECTORY
METAL CASTING DESIGN & PURCHASING
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