Dispersion strengthened materials

Details Dispersion strengthened materials Dispersion strengthened materials

1990-09-20

1991-12-10

Stoll, Robert L.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 23, 419 30, 419 31, 419 33, 419 66, 164 46, B22F 3200

Patent

active

050716182

ABSTRACT:
A method of manufacturing dispersion-strengthened material wherein a first material having a metal matrix M and at least one metal X capable of reacting with boron is supplied in a molten state to a mixing region at a first velocity. A second material having a metal matrix M and boron is supplied to the mixing region at a second velocity. The materials impinge on one another to produce a reaction between the metal X and the boron to form a boride in the metal matrix M. The mixture is solidified and pulverized to a powder which is then cleaned and consolidated.

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patent: 4915902 (1990-04-01), Brupbacher et al.

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