Phase Composition and Microstructure of Reaction-Bonded Boron-Carbide Materials

Porous boron-carbide billets containing different amounts of carbon (0 – 15 wt%) were infiltrated with molten silicon to produce dense materials (ρ = 99.6% of theoretical) from starting B 4 C powders with d 0.5 90 and 12.5 μm. The phase composition and microstructure of the material were studied. A...

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Bibliographic Details
Published in:Refractories and industrial ceramics 2018-07, Vol.59 (2), p.179-183
Main Authors: Perevislov, S. N., Shcherbak, V., Tomkovich, M. V.
Format: Article
Language:English
Subjects:
Billets
Boron
Boron carbide
Carbides
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Glass
Materials Science
Microstructure
Natural Materials
Phase composition
Porous materials
Powders (Particulate matter)
Silicon carbide
Solid solutions
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Summary:Porous boron-carbide billets containing different amounts of carbon (0 – 15 wt%) were infiltrated with molten silicon to produce dense materials (ρ = 99.6% of theoretical) from starting B 4 C powders with d 0.5 90 and 12.5 μm. The phase composition and microstructure of the material were studied. A solid solution of boron carbide in silicon was determined to be present.
ISSN:1083-4877
1573-9139
DOI:10.1007/s11148-018-0202-8