Consolidation of diamond packed powders

Details Consolidation of diamond packed powders Consolidation of diamond packed powders

1991-07-08

1992-01-14

Kunemund, Robert

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156609, 156613, 156614, 156DIG68, 156DIG80, 156DIG102, 423446, C30B 3100

Patent

active

050807528

ABSTRACT:
A process for producing a diamond composite comprising diamond powder parles bonded together by polycrystalline diamond by (1) pressing an intimate mixture of fine opaque nondiamond carbon powder and transparent diamond powder to form a green body that is confined in either a thin walled transparent quartz vessel or a polycrystalline diamond coating; (2) using a pulse laser to quickly melt the opaque nondiamond carbon powder, and (3) allowing the carbon melt to cool and grow homoepitaxially from the surfaces of the diamond particles producing a polycrystalline diamond that bonds the diamond particles together.

REFERENCES:
patent: 3031269 (1962-04-01), Bovenkerk
patent: 3074887 (1963-01-01), Carroll
patent: 3361678 (1968-01-01), Addamiano
patent: 3764776 (1973-10-01), Hierholzer et al.
patent: 3816085 (1974-06-01), Hall

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