Method of making metal composite materials

Details Method of making metal composite materials Method of making metal composite materials

1997-01-10

1999-03-23

Beck, Shrive

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

4273831, 4273833, 75351, 75362, 419 18, 419 35, 419 64, B05D 700, B05D 302, B22F 102

Patent

active

058856536

ABSTRACT:
One or more metal salts of at least one of Co, Ni and/or Fe is dissolved/suspended in water. To the solution/suspension is added at least one hard constituent powder to form a slurry. The solvent is evaporated, preferably by spray drying, and the resultant powder is heat treated in a reducing atmosphere. As a result, a coated hard constituent powder is obtained which, after addition of a pressing agent, can be compacted and sintered according to standard practice. In addition to or instead of said salt of Co, Ni and/or Fe, a soluble salt of Mo and/or W can be used.

REFERENCES:
patent: 3062680 (1962-11-01), Meddings
patent: 4981511 (1991-01-01), Schmidberger et al.
patent: 5326633 (1994-07-01), Clough et al.
patent: 5352269 (1994-10-01), McClandish et al.

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