Formation and properties of materials based on thermally expanded graphite

It is established that the properties of articles made from thermally expanded graphite (TEG) depend mainly on methods and conditions of their formation. Material formation occurs in several stages. The capacity of TEG to show a considerable elastic aftereffect after removing the external load plays...

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 1997-01, Vol.36 (1-2), p.41-45
Main Authors: Nikitin, Yu A, Pyatkovskii, M L
Format: Article
Language:English
Subjects:
Densification
Density
Elastic anisotropy
Elastoplasticity
Feasibility
Graphite
Monitoring
Powder metallurgy
Studies
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Summary:It is established that the properties of articles made from thermally expanded graphite (TEG) depend mainly on methods and conditions of their formation. Material formation occurs in several stages. The capacity of TEG to show a considerable elastic aftereffect after removing the external load plays a special part in forming anisotropic properties causing mechanical properties to change with a change in density. The materials obtained may be both elastic and elastoplastic. It is shown that continuous indenation may be used for nondestructive monitoring of local and bulk properties. The feasibility of a damagability criterion for EG materials is demonstrated.[PUBLICATION ABSTRACT]
ISSN:1068-1302
1573-9066
DOI:10.1007/BF02684250