Ceramic composition
Patent
·
OSTI ID:6368166
Improved ceramic compositions useful for cutting tools and the like are described. They are composed of an essentially homogeneous admixture of sintered powders of an aluminum oxide base material with other refractories including zirconium oxide, titanium oxide, hafnium oxide, titanium nitride, zirconium nitride, and tungsten or molybdenum carbide. In addition to their common and improved properties of hardness and strength, many of these compositions may be made by simple cold-pressing and sintering procedures. This avoids the known drawbacks of conventional hot press production.
- Assignee:
- EDB-84-176650
- Patent Number(s):
- US 4452906
- OSTI ID:
- 6368166
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360203 -- Ceramics
Cermets
& Refractories-- Mechanical Properties
ALLOYS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CARBIDES
CARBON COMPOUNDS
CERAMICS
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
COLD PRESSING
CUTTING TOOLS
ELEMENTS
FABRICATION
MATERIALS
MATERIALS WORKING
MECHANICAL PROPERTIES
METALS
NITRIDES
NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PNICTIDES
POWDERS
PRESSING
REFRACTORY METAL COMPOUNDS
REFRACTORY METALS
SINTERED MATERIALS
SINTERING
SYNTHESIS
TITANIUM COMPOUNDS
TITANIUM NITRIDES
TOOLS
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN CARBIDES
TUNGSTEN COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM NITRIDES
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360203 -- Ceramics
Cermets
& Refractories-- Mechanical Properties
ALLOYS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CARBIDES
CARBON COMPOUNDS
CERAMICS
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
COLD PRESSING
CUTTING TOOLS
ELEMENTS
FABRICATION
MATERIALS
MATERIALS WORKING
MECHANICAL PROPERTIES
METALS
NITRIDES
NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PNICTIDES
POWDERS
PRESSING
REFRACTORY METAL COMPOUNDS
REFRACTORY METALS
SINTERED MATERIALS
SINTERING
SYNTHESIS
TITANIUM COMPOUNDS
TITANIUM NITRIDES
TOOLS
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN CARBIDES
TUNGSTEN COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM NITRIDES