Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Patent
1985-02-14
1986-12-23
Terapane, John F.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having metal particles
420528, 420532, 420533, 420537, 420541, 420542, 420548, 420550, 427423, 427427, 428548, 428550, 419 67, 72258, B22F 302, B21C 2322, C22C 2100, C22C 2110
Patent
active
046312366
ABSTRACT:
A process and a device for manufacturing an extruded section of an aluminum alloy containing additions of boron or compounds thereof are intended to simplify the manufacture of aluminum alloy sections for use in nuclear science and technology. Using a boron-containing aluminum-based raw material a section is to be formed such that its design ensures adequate stability and at the same time the necessary screening properties. To this end a billet having a core of aluminum alloy with additions of boron or the like and a mantel surrounding the same is manufactured and hot formed by extrusion, such that, using the molten metal route or powder metallurgy, a blank of aluminum alloy of particular alloy groups with additions of boron or its compounds at a concentration of 0.05 to 50 wt % is taken as the starting basis. Further, starting from these alloy groups, an extrusion of at least two strips delimiting a hollow space can be made from a boron-free aluminum alloy and the space filled with feed material in the form of wire or powder. A device for this is such that a billet comprises a core of aluminum alloy with additions of boron or the like and, surrounding this, a mantel of essentially boron-free aluminum alloy.
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Jorgensen Eric
Swiss Aluminium Ltd.
Terapane John F.
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