Method and an apparatus for manufacturing metallic composite mat

Details Method and an apparatus for manufacturing metallic composite mat Method and an apparatus for manufacturing metallic composite mat

Filed on

1979-12-18

Date issued

1981-12-29

Examiner

Baldwin, Robert D.

Patent Class

Metal founding

SubClass

Process

SubSubClass

With measuring, testing, inspecting, or condition determination

Other Related Categories

164 80, 1641221, 164154, 1643381, B22D 2704

Type

Patent

Status

active

Patent number

043077692

Description

ABSTRACT:
A method and apparatus for manufacturing bars made of an alloy by unidireonal solidification. The mold is moved relative to a hot source and a cold source disposed below the hot source. The relative positions of the two sources as well as their efficiency and the displacement speed of the mold are set so that there is established within the alloy contained in the mold a planar solidification front with a high thermal gradient at the level of the front, and so that there is produced an orientation of the structure of the alloy which is perpendicular to the solidification front. During the whole duration of the solidification, the mold is fed with alloy powder having the required nominal composition at the rate corresponding to the quantity of alloy solidified per unit of time.

REFERENCES:
patent: 167042 (1875-08-01), Walker
patent: 2370709 (1945-03-01), Barton
patent: 2619256 (1952-11-01), Wiley
patent: 2819827 (1958-01-01), Barefoot et al.
patent: 4175609 (1979-11-01), Gammal et al.
patent: 4178986 (1979-12-01), Smashey
A.P.C. Application of Meier, Ser. No. 414,207, Published Jun. 1, 1943._

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