High-Temperature Indirect Compaction of Powder Materials with Active Action of an External Friction Force

On the basis of theoretical analysis of the rheodynamics of a powder material in the process of its indirect compaction with active action of an external friction force, the influence of this friction force on the density distribution of the material in the bulk of its sample was investigated. The a...

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Bibliographic Details
Published in:Journal of engineering physics and thermophysics 2020-03, Vol.93 (2), p.317-323
Main Authors: Stolin, A. M., Stel’makh, L. S., Karpov, S. V.
Format: Article
Language:English
Subjects:
Bulk density
Classical Mechanics
Complex Systems
Density distribution
Engineering
Engineering Thermodynamics
Friction
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Metal powder products
Metal powders
Metallurgy
Self propagating high temperature synthesis
Specific gravity
Stress concentration
Thermodynamics
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Summary:On the basis of theoretical analysis of the rheodynamics of a powder material in the process of its indirect compaction with active action of an external friction force, the influence of this friction force on the density distribution of the material in the bulk of its sample was investigated. The advantages of the indicated compaction method over the one-side high-temperature compaction of powder materials, used most frequently in power metallurgy and in self-propagating high-temperature synthesis technologies, were substantiated.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-020-02123-6