C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 16/26 (2006.01) C22C 1/10 (2006.01) C23C 30/00 (2006.01)
Patent
CA 2070750
ABSTRACT A method is provided for producing a tool component which comprises a CVD diamond layer bonded to a cemented carbide substrate. The method includes the steps of providing a mass of carbide particles bounded into a layer with an organic binder, removing the organic binder to produce a porous mass of the particles, depositing a layer of diamond by CVD on a surface of the porous mass, placing the porous mass in contact with a layer of binder metal particles bonded with an organic binder, and heating the product to allow the metal binder particles to melt and infiltrate the carbide particles and produce a cemented carbide substrate for the CVD diamond layer.
Jones Barbara L.
Valentine Timothy J.
de Beers Industrial Diamond Division (proprietary)
Gowling Lafleur Henderson Llp
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