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Boron-carbide-aluminum and boron-carbide-reactive metal cermets

Patent ·
OSTI ID:5282068
; ;

A composition is described of matter, comprising a boron-carbide-aluminum composite with a tailored microstructure having at least four of any of the following phases: (a) AlB/sub 2/, (b) ..cap alpha..-AlB/sub 12/, (c) AlB/sub 12/C/sub 2/, (d) Al/sub 4/C/sub 3/, (e) AlB/sub 24/C/sub 4/, (f) Al/sub 4/B/sub 1//sub -3/C/sub 4/, (g) a phase containing boron, carbon and aluminum and exhibiting an X-ray diffraction pattern shown, (h) B/sub 4/C, and (i) an aluminum phase, homogeneously distributed in the composite.

Assignee:
Dept. of Energy, Washington, DC
Patent Number(s):
US 4605440
OSTI ID:
5282068
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
ALUMINIUM
ALUMINIUM BORIDES
ALUMINIUM COMPOUNDS
BORIDES
BORON
BORON CARBIDES
BORON COMPOUNDS
CARBIDES
CARBON
CARBON COMPOUNDS
CERMETS
CHEMICAL COMPOSITION
COHERENT SCATTERING
COMPOSITE MATERIALS
CRYSTAL STRUCTURE
DIFFRACTION
ELEMENTS
MATERIALS
METALS
MICROSTRUCTURE
NONMETALS
PHASE STUDIES
SCATTERING
SEMIMETALS
X-RAY DIFFRACTION