B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/10 (2006.01) B23P 15/28 (2006.01) B24D 3/06 (2006.01) C23C 16/22 (2006.01) E21B 10/56 (2006.01) E21B 10/58 (2006.01)
Patent
CA 2108405
ABSTRACT OF THE INVENTION A diamond compact which comprises at least two interlocking segments of thermally stable, polycrystalline diamond encapsulated with a diamond film is provided wherein the diamond segments are bound to form a composite mass which is overcoated with a diamond film. The diamond film provides added shear strength and an enhanced bending moment to the compact. The segments can also be comprised of diamond particles of a different average grain size to provide improvements in impact resistance and abrasion resistance in tools used for drilling and mining. These compacts can be prepared by cutting diamond clusters to provide complementary surfaces, bonding these surfaces together to form one composite mass and overcoating the mass with a diamond layer by chemical vapor deposition.
Company General Electric
Craig Wilson And Company
LandOfFree
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