Molybdenum-copper and tungsten-copper alloys and method of makin

Details Molybdenum-copper and tungsten-copper alloys and method of makin Molybdenum-copper and tungsten-copper alloys and method of makin

1987-09-08

1989-05-23

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

148407, C22C 900

Patent

active

048327387

ABSTRACT:
Molybdenum-copper and tungsten-copper alloys are prepared by a consumable electrode method in which the electrode consists of a copper matrix with embedded strips of refractory molybdenum or tungsten. The electrode is progressively melted at its lower end with a superatmospheric inert gas pressure maintained around the liquifying electrode. The inert gas pressure is sufficiently above the vapor pressure of copper at the liquidus temperature of the alloy being formed to suppress boiling of liquid copper.

REFERENCES:
patent: 3271828 (1966-09-01), Shelton
patent: 3341321 (1967-09-01), Morrison
patent: 4481030 (1984-11-01), Schmidt et al.
patent: 4600448 (1986-07-01), Schmidt et al.
Downing et al., J. Appl. Phys. 61(7):2621-2625.

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