Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Methods of fabricating polycrystalline diamond, and cutting elements and earth-boring tools comprising polycrystalline diamond
Methods of fabricating polycrystalline diamond include subjecting a particle mixture to high pressure and high temperature (HPHT) conditions to form inter-granular diamond-to-diamond bonds. Before being subjected to HPHT conditions, the particle mixture includes a plurality of non-diamond nanoparticles, diamond nanoparticles, and diamond grit. The non-diamond nanoparticles includes carbon-free cores and at least one functional group attached to the cores. Cutting elements for use in an earth-boring tool include a polycrystalline diamond material formed by such processes. Earth-boring tools include such cutting elements.
Methods of fabricating polycrystalline diamond, and cutting elements and earth-boring tools comprising polycrystalline diamond
Methods of fabricating polycrystalline diamond include subjecting a particle mixture to high pressure and high temperature (HPHT) conditions to form inter-granular diamond-to-diamond bonds. Before being subjected to HPHT conditions, the particle mixture includes a plurality of non-diamond nanoparticles, diamond nanoparticles, and diamond grit. The non-diamond nanoparticles includes carbon-free cores and at least one functional group attached to the cores. Cutting elements for use in an earth-boring tool include a polycrystalline diamond material formed by such processes. Earth-boring tools include such cutting elements.
Methods of fabricating polycrystalline diamond, and cutting elements and earth-boring tools comprising polycrystalline diamond
CHAKRABORTY SOMA (Autor:in) / DIGIOVANNI ANTHONY A (Autor:in) / AGRAWAL GAURAV (Autor:in)
04.09.2018
Patent
Elektronische Ressource
Englisch
IPC:
E21B
EARTH OR ROCK DRILLING
,
Erd- oder Gesteinsbohren
/
B22F
Verarbeiten von Metallpulver
,
WORKING METALLIC POWDER
/
B24D
TOOLS FOR GRINDING, BUFFING OR SHARPENING
,
Werkzeuge zum Schleifen, Polieren oder Schärfen
/
C01B
NON-METALLIC ELEMENTS
,
Nichtmetallische Elemente
/
C04B
Kalk
,
LIME
/
C22C
Legierungen
,
ALLOYS
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| Europäisches Patentamt | 2019