Hardening of Light Metals and Alloys with Ultrafine Fibrous β Silicon Carbide

Methods for the production and application of ultrafine β silicon carbide fibers for hardening metal matrix composite materials based on Al and Mg are developed. The fundamental possible application of the fabricated fibrous silicon carbide for creating Al–SiC and Mg–SiC composites by liquid-phase s...

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Bibliographic Details
Published in:Russian metallurgy Metally 2020-06, Vol.2020 (6), p.682-686
Main Authors: Lebedev, A. S., Eremyashev, V. E., Suzdal’tsev, A. V., Anfilogov, V. N.
Format: Article
Language:English
Subjects:
Aluminum matrix composites
Chemistry and Materials Science
Composite materials
Fluxes
Hardening
Hardening and Coating Technologies
Light metals
Liquid phases
Magnesium
Materials Science
Melt temperature
Metal matrix composites
Metallic Materials
Microhardness
Production methods
Reagents
Silicon carbide
Ultrafines
Wetting
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Summary:Methods for the production and application of ultrafine β silicon carbide fibers for hardening metal matrix composite materials based on Al and Mg are developed. The fundamental possible application of the fabricated fibrous silicon carbide for creating Al–SiC and Mg–SiC composites by liquid-phase stirring without additional wetting reagents under a layer of protective fluxes at the melting temperature of the matrix alloy is shown. Ultrafine SiC is found to be uniformly distributed over the composite volume. The microhardness of the sample surface increases with the silicon carbide content as compared to the initial materials and composites made from other silicon carbide modifications.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029520060129