Method for making targets

Details Method for making targets Method for making targets

1987-08-14

1989-02-07

Stallard, Wayland

Alloys or metallic compositions

Ferrous

Rare earth metal containing

419 27, 420416, 420427, B22F 326

Patent

active

048030465

ABSTRACT:
A method for working high-purity, mechanically strong targets containing brittle phases in the equilibrium state. First a porous body is manufactured from part of the component with a higher melting point and thereafter the porous body is impregnated with an impregnating composition corresponding to the remainder of the components required to form the ultimate composition of the target. The composition of the impregnation material must be selected in such a manner that the reaction between the impregnation material and the porous body shall produce no phases of low melting points.

REFERENCES:
patent: 4612047 (1986-09-01), Schmidt et al.
patent: 4619697 (1986-10-01), Hijikata et al.
patent: 4620872 (1986-11-01), Hijikata et al.

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