Method for forming aluminum-silicon alloy

Details Method for forming aluminum-silicon alloy Method for forming aluminum-silicon alloy

1991-03-26

1993-05-18

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148437, 148688, 164120, C22F 104, B22D 1802

Patent

active

052117782

ABSTRACT:
An aluminum-silicon alloy having excellent mechanical characteristics is formed by pressure casting of a molten material concurrently with modifying thereof by a flux which includes at least one element selected from the group of Na, Sb, Sr, and/or Ca, allowing a substantially fine grain of silicon to be dispersed in the alloy. Alternatively, the step of the pressure casting is replacable by substantial uniform cooling of the molten material regardless of a thickness thereof by cooling a die having a mold formed of a Cu-W type material, which mold corresponds to a substantially thick portion of the alloy.

REFERENCES:
patent: 3895941 (1975-07-01), Bolling et al.

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