Method of producing hollow bodies in aluminum-silicon alloys by

Details Method of producing hollow bodies in aluminum-silicon alloys by Method of producing hollow bodies in aluminum-silicon alloys by

1977-03-04

1978-07-11

Mehr, Milton S.

Metal working

Method of mechanical manufacture

Shaping mating parts for reassembly in different positions

148 115P, B22F 100

Patent

active

040993140

ABSTRACT:
This invention concerns production by extrusion of hollow cylindrical bodies starting with granulated alloys of aluminum containing silicon. It consists of preparing the composition of the alloy in a liquid form, producing granules by centrifugal pulverization or atomization, introducing the granulated material into an extrusion press to obtain the hollow profile by extrusion and extruding the granular material within to form a cylindrical body. This invention is applicable to form hollow bodies and particularly sleeves of motors of high content silicon aluminum alloy through which size and distribution of primary silicon is improved over traditional casting methods.

REFERENCES:
patent: 2155651 (1939-04-01), Goetzel
patent: 3226267 (1968-12-01), Foerster
patent: 3690961 (1972-09-01), Berghezan

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