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US 2024/0199430 A1Published application
Diamond polycrystalline body, and tool comprising diamond polycrystalline body
AssigneeSumitomo Electric Hardmetal Corp.
InventorsYuh ISHIDA, Michiko MATSUKAWA, Satoru KUKINO
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Abstract
A polycrystalline diamond comprising diamond particles, wherein: the content of the diamond particles is more than 99% by volume based on the total volume of the polycrystalline diamond; the median diameter d50 of the diamond particles is 10 nm or more and 200 nm or less; and the dislocation density of the diamond particles is 2.0×1015 m−2 or more and 4.0×1016 m−2 or less.
Claims8
A polycrystalline diamond comprising diamond particles, wherein:
- a content of the diamond particles is more than 99% by volume based on the total volume of the polycrystalline diamond;
- a median diameter d50 of the diamond particles is 10 nm or more and 200 nm or less;
- and
- a dislocation density of the diamond particles is 2.0×1015 m−2 or more and 4.0×1016 m−2 or less.
1 more element
Dependencies are inferred from the claim text.