Abrasive product

Details Abrasive product Abrasive product

1981-08-12

1983-04-05

Czaja, Donald E.

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

51307, B24D 302

Patent

active

043789757

ABSTRACT:
The invention provides an abrasive body which will generally be of cylindrical shape comprising a plurality of superhard abrasive particles such as diamond bonded together by means of a tough wear-resistant nickel based alloy having a melting point of below 1000.degree. C. These alloys are known as hard facing alloys. The abrasive bodies may be used as inserts for drill crowns. The bodies are made by mixing the abrasive particles with the alloy in powdered form, producing a green-state, coherent body from the mixture, generally by cold pressing, and sintering the green-state product under conditions which inhibit degradation of the abrasive particle.

REFERENCES:
patent: Re26879 (1970-05-01), Kelso
patent: 3293012 (1966-12-01), Smiley et al.
patent: 3306720 (1967-02-01), Darrow
patent: 3316073 (1967-04-01), Kelso
patent: 3372010 (1968-03-01), Parsons
patent: 3596649 (1971-08-01), Olivieri
patent: 4128136 (1978-12-01), Generoux
patent: 4136230 (1979-01-01), Patel
"Metals Handbook", Eight ed., vol. 1, pp. 820-821.

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