Lightweight cast material
AssigneeMetallgesellschaft Aktiengesellschaft
InventorsEberhard E. Schmid, Manfred Ruhle
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Abstract
Shaped bodies which are improved in high-temperature strength, resistance to thermal shock and fatigue limit can be made of a lightweight cast material which consists mainly of aluminum and in addition contains 5 to 15% by weight magnesium silicide.
Claims5
A lightweight cast material having compact Mg.sub.2 Si first phase primary particles, and Al--Mg.sub.2 Si eutectic alloy second phase particles, said material consisting essentially of aluminum and 5 to 25% by weight of magnesium silicide, silicon in an amount of 1 to 12% by weight and magnesium in a solid solution in an amount of 5 to 15% by weight.
A lightweight cast material having compact Mg.sub.2 Si first phase primary particles, Al--Mg.sub.2 Si eutectic alloy second phase particles, and Al--Mg.sub.2 Si--Si eutectic alloy third phase particles, said material consisting essentially of aluminum and 5 to 25% by weight of magnesium silicide, silicon in an amount of 1 to 12% by weight and magnesium in a solid solution in an amount of 5 to 15% by weight.
Dependencies are inferred from the claim text.