Process for producing refractory powder

Details Process for producing refractory powder Process for producing refractory powder

1983-08-04

1984-10-23

Morgenstern, Norman

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

419 14, 427314, 427355, 427377, 427384, B05D 700

Patent

active

044788886

ABSTRACT:
In a process for producing a carbide grade powder mixture for making a cemented metal carbide, a mixture of metal carbide particles and wax is formed at a temperature above the melting point of the wax. The wax includes less than about 2 percent by weight of a wetting agent for reducing the surface tension of the wax when in water. The blended mixture including metal binder particles is milled with a liquid milling medium comprising water to substantially uniformly disperse the metal binder particles and to produce a slurry. The slurry is dried to remove the milling medium and produce a powder comprising particles of metal carbide, metal binder and wax.

REFERENCES:
patent: 3051566 (1962-08-01), Schwartz
patent: 3962491 (1976-06-01), Sato et al.
patent: 4070184 (1978-01-01), Scheithauer
patent: 4284431 (1981-08-01), Ohno

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