Composite compact with a more thermally stable cutting edge and

Details Composite compact with a more thermally stable cutting edge and Composite compact with a more thermally stable cutting edge and

1989-08-07

1991-04-30

Dixon, Jr., William R.

Abrasive tool making process, material, or composition

Miscellaneous

51295, B24D 300

Patent

active

050115090

ABSTRACT:
A compact blank for use in operations that require very high abrasion resistance and a thermally stable cutting edge is disclosed. The compact comprises a substrate formed of tungsten carbide or other hard material with a polycrystalline diamond layer bonded to the substrate. The diamond layer is fabricated by chemical vapor deposition and then subsequently bonded to the tungsten carbide substrate by the application of high pressure and high temperature at diamond stable conditions.

REFERENCES:
patent: 3745623 (1973-07-01), Wentorf, Jr. et al.
patent: 4311490 (1982-01-01), Bovenkerk et al.
patent: 4496372 (1985-01-01), Almond et al.
patent: 4662896 (1987-05-01), Dennis
patent: 4789385 (1988-12-01), Dyer et al.
patent: 4802895 (1989-02-01), Burnand et al.
patent: 4875907 (1989-10-01), Phaal et al.

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