Process for die-casting aluminum alloys of low iron and high alu

Details Process for die-casting aluminum alloys of low iron and high alu Process for die-casting aluminum alloys of low iron and high alu

1987-02-11

1988-07-05

Godici, Nicholas P.

Metal founding

Process

Shaping liquid metal against a forming surface

164312, B22D 1710

Patent

active

047547995

ABSTRACT:
A process is disclosed for die-casting aluminum alloy A365.2, or like alloys having high aluminum and low iron content, which have hitherto not been formed into parts in die-casting processes because of undesirable soldering of the cast part to the steel die. In the disclosed process the molten aluminum alloy containing a maximum of 0.12 percent iron and at least 90 percent aluminum is injected under pressure into a die through a gate at an injection rate which is approximately 55 to 93 cubic inch per second. When the rate of injection of the aluminum alloy into the die is in this range, there is no sticking or soldering of the die-cast part to the steel walls of the die.

REFERENCES:
patent: 3369591 (1968-02-01), Welch et al.

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