Alumina base ceramic sintered body and its manufacturing method
US6133182A · kind A · utility
4Cited by
6References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 9, 1999 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Sep 9, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/6455
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention provides an alumina base ceramic sintered body excellent in wear resistance with high hardness, also with high strength and high toughness, and particularly suitable for a cutting tool or wear resistant member. This sintered body contains 5-70 % by volume of WC and 5-70% by volume of Ti (C,N) solid solution having a C/N mole ratio ranging from 1:9 to 9:1, the WC and Ti (C,N) having particle sizes of 5 .mu.m or less, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.