Production of aluminum impact extrusions

Details Production of aluminum impact extrusions Production of aluminum impact extrusions

1979-07-18

1981-01-06

Dean, R.

Metal treatment

Compositions

Heat treating

75138, 148 32, C22F 104

Patent

active

042434386

ABSTRACT:
The present invention relates to a method of producing an aluminum impact extrusion by preparing a slug of an aluminum based alloy made of aluminum and at least one element selected from cobalt and nickel, whereas the amounts of the cobalt and nickel are each present in amounts of 3% by weight or less and wherein the total amount of cobalt and nickel is 0.15% by weight or more; impact extruding the slug by using an impact extrusion press, and then annealing the extruded product. The present invention also involves an aluminum base alloy consisting of the ingredients mentioned above useful for impact extrusion and an aluminum collapsible tube prepared by impact extruding a slug stud of an aluminum base alloy of the type described above.

REFERENCES:
patent: 3830635 (1974-08-01), Chia et al.

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