Title:
METHOD FOR PRODUCING COMPACT SUPERHARD MATERIAL
Document Type and Number:
WIPO Patent Application WO/1996/031305
Kind Code:
A1
Abstract:
This invention pertains to the production of a compact superhard material from diamond and/or adamantine modifications of boron nitride, and provides compact superhard materials with high working properties. This method essentially comprises, before preliminary plastic deformation, adding, as a metallic linking agent to the superhard material powder, 3 - 90 vol.% of ultra-dispersive powder of a metal from the iron group with a particle size ranging between 100 and 1000 �. The final plastic deformation is obtained by a shock wave with a 1-25 GPa front amplitude and/or by plastic deformation at a temperature of 600 to 900� C and with a deformation speed from 10-5 to 10-1c-1.
Inventors:
ZHIRNOKLEEV IGOR ANATOLIEVICH (RU)
Application Number:
PCT/RU1995/000157
Publication Date:
October 10, 1996
Filing Date:
July 19, 1995
Export Citation:
Assignee:
ZHIRNOKLEEV IGOR ANATOLIEVICH (RU)
International Classes:
B01J3/08; B22F3/08; B22F3/087; C01B21/064; C01B31/06; C22C26/00; (IPC1-7): B22F3/02; B01J3/08
Foreign References:
| US4089933A | 1978-05-16 | |||
| US4425315A | 1984-01-10 | |||
| SU1791376A1 | ||||
| SU1053447A1 | ||||
| SU1120629A2 | 1994-04-30 |
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