Sintered ceramic body containing titanium carbonitride
Patent
·
OSTI ID:5740742
A refractory ceramic body having excellent bending strength and high hardness and with little porosity is obtained by sintering a powdery mixture comprising 5 to 95% by weight of a titanium carbonitride and 95 to 5% by weight of a metal boride such as metal diborides, e.g. titanium diboride, W/sub 2/B/sub 5/ and Mo/sub 2/B/sub 5/ at a temperature of 1700/sup 0/ to 1800/sup 0/ C. Further improvements can be obtained by partial replacement of the above mentioned components with elementary boron, titanium carbide or titanium nitride or when the titanium carbonitride component is a combination of at least two kinds of titanium carbonitrides having different chemical compositions relative to the proportion of the carbon and nitrogen.
- Assignee:
- Agency of Industrial Science and Technology (Japan)
- Patent Number(s):
- US 4492764
- OSTI ID:
- 5740742
- 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
BENDING
BORIDES
BORON COMPOUNDS
CARBONITRIDES
CERAMICS
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
FABRICATION
HARDNESS
MECHANICAL PROPERTIES
METALLURGY
MOLYBDENUM BORIDES
MOLYBDENUM COMPOUNDS
NITRIDES
NITROGEN COMPOUNDS
PNICTIDES
POWDER METALLURGY
REFRACTORIES
REFRACTORY METAL COMPOUNDS
SINTERING
SYNTHESIS
TENSILE PROPERTIES
TITANIUM BORIDES
TITANIUM COMPOUNDS
TITANIUM NITRIDES
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN BORIDES
TUNGSTEN COMPOUNDS
VERY HIGH TEMPERATURE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360203 -- Ceramics
Cermets
& Refractories-- Mechanical Properties
BENDING
BORIDES
BORON COMPOUNDS
CARBONITRIDES
CERAMICS
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
FABRICATION
HARDNESS
MECHANICAL PROPERTIES
METALLURGY
MOLYBDENUM BORIDES
MOLYBDENUM COMPOUNDS
NITRIDES
NITROGEN COMPOUNDS
PNICTIDES
POWDER METALLURGY
REFRACTORIES
REFRACTORY METAL COMPOUNDS
SINTERING
SYNTHESIS
TENSILE PROPERTIES
TITANIUM BORIDES
TITANIUM COMPOUNDS
TITANIUM NITRIDES
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN BORIDES
TUNGSTEN COMPOUNDS
VERY HIGH TEMPERATURE