Aluminum diecasting alloy

Details Aluminum diecasting alloy Aluminum diecasting alloy

2006-09-19

2006-09-19

Kerns, Kevin (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S055100, C164S057100, C420S549000, C420S553000

Reexamination Certificate

active

07108042

ABSTRACT:
An aluminum alloy suitable for diecasting of components with high elongation in the cast state contains, as well as aluminum and unavoidable impurities, 8.0 to 11.5 w. % silicon, 0.3 to 0.8 w. % manganese, 0.08 to 0.4 w. % magnesium, max 0.4 w. % iron, max 0.1 w. % copper, max 0.1 w. % zinc, max 0.15 w. % titanium and 0.05 to 0.5 w. % molybdenum. Optionally, the alloy also contains 0.05 to 0.3 w. % zirconium, 30 to 300 ppm strontium or 5 to 30 ppm sodium and/or 1 to 30 ppm calcium for permanent refinement and for grain refinement gallium phosphide and/or indium phosphide in a quantity corresponding to 1 to 250 ppm phosphorus and/or titanium and boron added by way of an aluminum master alloy with 1 to 2 w. % Ti and 1 to 2 w. % B.

REFERENCES:
patent: 5250125 (1993-10-01), Koch et al.
patent: 6325462 (2001-12-01), Hummel et al.
patent: 6364970 (2002-04-01), Hielscher et al.
patent: 6824737 (2004-11-01), Koch
patent: 601972 (1994-06-01), None
patent: 1331281 (2003-07-01), None
patent: 03052151 (2003-06-01), None

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