Method of preparing multicarbide powders for hard materials

Details Method of preparing multicarbide powders for hard materials Method of preparing multicarbide powders for hard materials

1995-06-05

1996-12-17

Wyszomierski, George

Specialized metallurgical processes, compositions for use therei

Processes

Producing or purifying free metal powder or producing or...

75365, 148237, B22F 924

Patent

active

055849075

ABSTRACT:
There is now provided a method for preparing a powder containing W and Co and/or Ni from APT and a soluble salt of Co(Ni) by a chemical reaction in a water suspension at temperatures from room temperature to the boiling point of the solution whereafter the formed powder is filtered off, dried and reduced to a metallic powder. Additional metals from groups IVa, Va or VIa of the periodic table of the elements are added to the suspension as compounds like oxides, hydroxides, soluble or insoluble salts.

REFERENCES:
patent: 3440035 (1969-04-01), Iwase et al.
patent: 3488291 (1970-01-01), Hardy et al.
patent: 5352269 (1994-10-01), McCandlish et al.

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