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Microcomposite of metal boride and ceramic particles

Patent ·
OSTI ID:5908016
; ;

A particulate mixture of ceramic powder, boron and a hydride of a metal selected from the group consisting of hafnium, niobium, tantalum, titanium, vanadium, zirconium and mixtures thereof is hot pressed decomposing the hydride and reacting the resulting metal with boron producing a polycrystalline microcomposite comprised of a continuous phase of the boride of the metal which encapsulates at least about 20% by volume of the ceramic particles and which either encapsulates or is intermixed with the balance of said ceramic particles.

Assignee:
General Electric Company
Patent Number(s):
US 4539299
OSTI ID:
5908016
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
BORON
CERAMICS
CHEMICAL COMPOSITION
COMPOSITE MATERIALS
CRYSTALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
FABRICATION
HAFNIUM COMPOUNDS
HAFNIUM HYDRIDES
HOT WORKING
HYDRIDES
HYDROGEN COMPOUNDS
MATERIALS
MATERIALS WORKING
MIXING
NIOBIUM COMPOUNDS
NIOBIUM HYDRIDES
PHYSICAL PROPERTIES
POLYCRYSTALS
POWDERS
PRESSING
REFRACTORY METAL COMPOUNDS
SEMIMETALS
TANTALUM COMPOUNDS
TANTALUM HYDRIDES
THERMAL CONDUCTIVITY
THERMAL DEGRADATION
THERMODYNAMIC PROPERTIES
TITANIUM COMPOUNDS
TITANIUM HYDRIDES
TRANSITION ELEMENT COMPOUNDS
VANADIUM COMPOUNDS
VANADIUM HYDRIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM HYDRIDES