ethod of using Si.sub.3 N.sub.4.Y.sub.2 O.sub.3.SiO.sub.2 ceramic system for machine cast iron
US4323325A · kind A · utility
33Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1980 |
| Grant date | Apr 6, 1982 |
| Priority date | — |
| Expiry date | Aug 29, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T409/303752
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A process for machine cutting of cast iron with a shaped tool which is a ceramic having as constituent ingredients about 4 to about 12% by weight Y.sub.2 O.sub.3 and a balance consisting essentially of Si.sub.3 N.sub.4 and which has a density of at least 3.25 gm./cm.sup.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.