Compact of boron-doped diamond and method for making same

Details Compact of boron-doped diamond and method for making same Compact of boron-doped diamond and method for making same

B - Operations, Transporting

24

D

57/16

B24D 3/00 (2006.01) C09K 3/14 (2006.01) B23P 5/00 (2006.01)

Patent

CA 1135964

60-SD-11 ABSTRACT OF THE DISCLOSURE In one embodiment, a compact for tools, such as cutting, drilling, wire drawing and shaping tools, consists essentially of a porous mass of self-bonded, boron-doped diamond particles and a catalyst-solvent material. The method for making such a compact comprises the steps of bonding a mass of boron- doped diamond particles, aided by a catalyst-solvent material, under high temperatures and high pressures (HP/HT). In another embodiment, a composite compact, which is made in a similar manner to the first embodiment, consists essentially of (i) a layer of a porous mass of self-bonded, boron-doped diamond particles and catalyst-solvent material; and (ii) a substrate layer of cemented carbide bonded to the diamond layer.

307821

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