Cubic boron nitride sintered material
US11161790B2 · kind B2 · utility
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Key dates
| Filing date | Dec 16, 2019 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Dec 16, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C2026/008
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A cubic boron nitride sintered material comprises 30% by volume or more and 80% by volume or less of cubic boron nitride grains and 20% by volume or more and 70% by volume or less of a binder phase, the cubic boron nitride grains having a dislocation density of 3×1017/m2 or more and 1×1020/m2 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.