Metal coating of abrasive particles

Details Metal coating of abrasive particles Metal coating of abrasive particles

1981-02-12

1983-08-16

Beck, Shrive P.

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

51295, 51309, 427250, 427294, B05D 700

Patent

active

043991670

ABSTRACT:
The invention provides a method of metal coating diamond or cubic boron nitride particles, the metal being capable of forming a chemical bond with the particles, including the steps of providing a mass of metal for the coating in powdered form in contact with the particles, heat treating the metal powder and the particles at a temperature below the melting point of the metal to deposit a layer of metal on the particles, and recovering the particles as discrete, metal coated particles, the heat treatment taking place in a non-oxidizing atmosphere and being chosen to allow chemical bond formation between the particles and the coating.

REFERENCES:
patent: 1536524 (1925-05-01), Pfersdorff
patent: 2853401 (1958-09-01), Mackiw et al.
patent: 3061462 (1962-10-01), Samuel
patent: 3650714 (1972-03-01), Farkas
patent: 3853582 (1974-12-01), Labossier
patent: 3924031 (1975-12-01), Nicholas et al.
patent: 3950596 (1976-04-01), Carr
patent: 4011064 (1977-03-01), Lee et al.
patent: 4062660 (1977-12-01), Nicholas et al.
patent: 4063907 (1977-12-01), Lee et al.

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