Si-containing magnesium alloy for casting with melt thereof

Details Si-containing magnesium alloy for casting with melt thereof Si-containing magnesium alloy for casting with melt thereof

1994-03-29

1996-09-03

Czaja, Donald E.

Metal treatment

Stock

Magnesium base

420408, 420409, C22C 2302, C22C 2304

Patent

active

055519962

ABSTRACT:
A--Si containing magnesium alloy for casting with a melt thereof with a cast structure having eutectic compounds of Mg.sub.2 Si produced to improve creep strength of a cast product, preferably a Si-containing magnesium alloy of a Mg--Al--Zn system having either 0.01% to 2.0% or 6 to 12% of Zn and 6 to 12% of Al, is disclosed with the improvement in that the alloy contains 0.3 to 1.5% by weight of Si in combination with 0.005 to 0.2% of Sr added to effect refinement of the eutectic compounds to thereby reduce hot cracking and improve mechanical properties of the cast product, while the improved creep strength is preserved.

REFERENCES:
patent: 5143564 (1992-09-01), Gruzleski et al.

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