Supported diamond

Details Supported diamond Supported diamond

1979-08-23

1981-02-03

Arnold, Donald J.

Abrasive tool making process, material, or composition

With inorganic material

51293, 51308, 173128, 423446, B24D 302

Patent

active

042486068

ABSTRACT:
Compacts are provided in which one or more single crystal diamonds, having a largest dimension of at least one millimeter, are embedded in the polycrystalline matrix which may be made of diamond; cubic boron nitride (CNB); and silicon and silicon carbide bonded diamond, CBN, or mixtures of diamond and CBN. The single crystal diamond is from 10-90 volume percent of the compact.
The compacts (except for the silicon and silicon carbide variety) are made by high pressure-high temperature processing generally in the range of 50 Kbar at 1300.degree. C. to 85 Kbar at 1750.degree. C.
They have applications in several fields, for example, wire drawing die blands, cutting tool blanks, and anvils for high pressure apparatus.

REFERENCES:
patent: 4181505 (1980-01-01), DeVries et al.

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