Cutting elements and methods for fabricating diamond compacts and cutting elements with functionalized nanoparticles
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United States of America Patent
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Apr 3, 2018
Issued Date -
N/A
app pub date -
Jan 25, 2016
filing date -
Jan 25, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A method of fabricating a diamond compact includes functionalizing surfaces of diamond nanoparticles with fluorine; combining the functionalized diamond nanoparticles with a non-group-VIII metal to form a particle mixture; and subjecting the particle mixture to high pressure and high temperature (HPHT) conditions to form inter-granular bonds between the diamond nanoparticles. A cutting element for an earth-boring tool includes a plurality of grains of diamond material; a plurality of diamond nanoparticles bonded to the plurality of grains of diamond material; and a non-group-VIII metal fluoride disposed within interstitial spaces between the grains of diamond material and the plurality of diamond nanoparticles. The cutting element is substantially free of a metal-solvent catalyst.
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International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- B82Y:SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; ....
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
- B24D:TOOLS FOR GRINDING, BUFFING, OR SHARPENING
- E21B:EARTH OR ROCK DRILLING
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