B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/18 (2006.01) C04B 37/02 (2006.01)
Patent
CA 2260334
A method of bonding a diamond compact comprising a polycrystalline mass of diamond and a bonding phase which contains free-silicon to a substrate is provided. The method includes the steps of contacting a surface of the compact with carbon or nitrogen or a mixture thereof under conditions suitable to cause free-silicon in the surface to react with the carbon and/or nitrogen and thereafter bonding that surface to the substrate, preferably by means of a braze. In a preferred form of the invention, the surface which is bonded to the substrate is acid cleaned after contact of that surface with carbon or nitrogen or a mixture thereof.
Collins John Lloyd
Dufferwiel Graeme David
Sweeney Charles Gerard
Wort Christopher John Howard
de Beers Industrial Diamond Division (proprietary) Limited
Element Six (pty) Ltd
Gowling Lafleur Henderson Llp
LandOfFree
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