Methods for forming polycrystalline materials including providing material with superabrasive grains prior to HPHT processing
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United States of America Patent
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Jan 16, 2018
Grant Date -
Oct 25, 2012
app pub date -
Apr 21, 2011
filing date -
Apr 21, 2011
priority date (Note) -
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Abstract
Grains of superabrasive material may be infiltrated with a molten metal alloy at a relatively low temperature, and the molten metal alloy may be solidified within interstitial spaces between the grains of superabrasive material to form a solid metal alloy having the grains of superabrasive material embedded therein. The solid metal alloy with the grains of superabrasive material embedded therein may be subjected to a high pressure and high temperature process to form a polycrystalline superabrasive material. A polycrystalline superabrasive material also may be formed by depositing material on surfaces of grains of superabrasive material in a chemical vapor infiltration process to form a porous body, which then may be subjected to a high pressure and high temperature process. Polycrystalline compacts and cutting elements including such compacts may be formed using such methods.
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International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
- F16C:SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT ME....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- B24D:TOOLS FOR GRINDING, BUFFING, OR SHARPENING
- E21B:EARTH OR ROCK DRILLING
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