Method of forming three-dimensional network porous metallic stru

Details Method of forming three-dimensional network porous metallic stru Method of forming three-dimensional network porous metallic stru

1978-09-27

1980-11-25

Anderson, Philip

Metal founding

Process

Shaping a forming surface

164 34, 164119, 264 44, 264221, 264317, 425DIG12, B22D 2502, B22D 1804

Patent

active

042352770

ABSTRACT:
A three-dimensional network porous metallic structure is formed by filling the internal cavity of a mold, which has been prepared by making use of a three-dimensional network resin pattern, through driving the molten metal into the cavity by a pressure or through sucking the molten metal into the cavity by reducing the pressure in the cavity. The porous metallic structure thus obtained is characterized by a large specific surface area, as well as a reduced pressure drop of fluid passing through this structure, and, therefore, is fit for various uses such as the material of fins of heat exchangers, various filters and so forth.

REFERENCES:
patent: 3078552 (1963-02-01), Grandey
patent: 3111396 (1963-11-01), Ball
patent: 3459254 (1969-08-01), Dearth
patent: 3616841 (1971-11-01), Walz
patent: 3628598 (1971-12-01), MacNeill et al.
patent: 3656539 (1972-04-01), Zickefoose
patent: 3666526 (1972-05-01), Ettinger et al.
patent: 3778336 (1973-12-01), Adams
patent: 3946039 (1976-03-01), Walz

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