Synthesis, structure, and phase composition of Al-Al 4C 3 nanostructured materials

Abstract

The morphology and phase composition of nanocrystalline powders of aluminum and carbon in the form of cluster diamonds are investigated. It is found that the hot compaction of the C-Al powder mixture is accompanied by the formation of an Al ₄C ₃ phase that has a highly disperse structure. The average crystallite size in hot-compacted materials is 40 nm for the metal matrix and 30 nm for aluminum. It is shown that as the carbon fraction in the initial powder mixture rises, the volume of the threshold space in hot-compacted materials increases.

Original language	English
Pages (from-to)	420-424
Number of pages	5
Journal	Russian Journal of Non-Ferrous Metals
Volume	53
Issue number	5
DOIs	https://doi.org/10.3103/S1067821212050136
Publication status	Published - 1 Sep 2012

Keywords

aluminum
aluminum carbide
carbon
cluster diamond
Composite material

ASJC Scopus subject areas

Mechanics of Materials
Surfaces, Coatings and Films
Metals and Alloys

Access to Document

10.3103/S1067821212050136

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Vorozhtsov, S. A., Buyakova, S. P., & Kul'kov, S. N. (2012). Synthesis, structure, and phase composition of Al-Al ₄C ₃ nanostructured materials. Russian Journal of Non-Ferrous Metals, 53(5), 420-424. https://doi.org/10.3103/S1067821212050136

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abstract = "The morphology and phase composition of nanocrystalline powders of aluminum and carbon in the form of cluster diamonds are investigated. It is found that the hot compaction of the C-Al powder mixture is accompanied by the formation of an Al 4C 3 phase that has a highly disperse structure. The average crystallite size in hot-compacted materials is 40 nm for the metal matrix and 30 nm for aluminum. It is shown that as the carbon fraction in the initial powder mixture rises, the volume of the threshold space in hot-compacted materials increases.",

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AU - Buyakova, S. P.

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PY - 2012/9/1

Y1 - 2012/9/1

N2 - The morphology and phase composition of nanocrystalline powders of aluminum and carbon in the form of cluster diamonds are investigated. It is found that the hot compaction of the C-Al powder mixture is accompanied by the formation of an Al 4C 3 phase that has a highly disperse structure. The average crystallite size in hot-compacted materials is 40 nm for the metal matrix and 30 nm for aluminum. It is shown that as the carbon fraction in the initial powder mixture rises, the volume of the threshold space in hot-compacted materials increases.

AB - The morphology and phase composition of nanocrystalline powders of aluminum and carbon in the form of cluster diamonds are investigated. It is found that the hot compaction of the C-Al powder mixture is accompanied by the formation of an Al 4C 3 phase that has a highly disperse structure. The average crystallite size in hot-compacted materials is 40 nm for the metal matrix and 30 nm for aluminum. It is shown that as the carbon fraction in the initial powder mixture rises, the volume of the threshold space in hot-compacted materials increases.

KW - aluminum

KW - aluminum carbide

KW - carbon

KW - cluster diamond

KW - Composite material

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