Aluminium-strontium master alloy and process of making the alloy
AssigneeShell Research Limited
InventorsJan Noordegraaf, Piet Krahmer, Martin Donnelly
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Abstract
A process is described for the preparation of an aluminum-strontium master alloy suitable for use as structure refiner during the solidification of molten aluminum-silicon alloys, comprising atomizing a stream of molten alloy containing aluminum and 5 to 35% by weight of strontium and collecting atomized particles as solid material on a collecting surface.
Claims19
In a process for the preparation of an aluminum-strontium master alloy suitable for use as a structure refiner during the solidification of molten aluminum-silicon alloys, comprising forming a molten alloy containing aluminum and 5-35% by weight of strontium, the improvement comprising atomizing a stream of said molten alloy and collecting atomized particles of said molten alloy as a solid mass on a collecting surface.
Process according to 1, wherein the atomisation process is a gas atomisation process.
Dependencies are inferred from the claim text.