Sintered material and cutting tool including same
US12070802B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Jul 10, 2017 |
| Grant date | Aug 27, 2024 |
| Priority date | — |
| Expiry date | Jun 28, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/85
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A sintered material includes a first material and a second material, wherein the first material is partially stabilized ZrO2 in which 1 to 90 volume % of Al2O3 is dispersed in crystal grain boundaries or crystal grains, the Al2O3 is a grain having a grain size of less than or equal to 1 μm, and the second material is at least one compound selected from a group consisting of a carbide, a nitride, and a carbonitride, and 5 to 95 volume % of the second material is included in the sintered material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.