Methods for increasing the quality of medium-grain structural graphites

Methods for increasing the quality of medium-grain structural graphites Different methods are considered for improving the quality of large-sized medium-grain graphites. Among these methods as very effective it is possible to separate assembly of a needle in the central part of the die making it possible to compact billets with a central hole that markedly reduces internal stresses in the material during heat treatment; use of oleic acid as a surfactant during mixing makes it possible to reduce the pitch content of the mix; elimination of the mixer method of cooling the coke-pitch mix before compaction that increases the temperature uniformity of the compacted material. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Methods for increasing the quality of medium-grain structural graphites

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Publisher
Springer US
Copyright
Copyright © 2007 by Springer Science+Business Media, Inc.
Subject
Chemistry; Characterization and Evaluation of Materials; Materials Science; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/s11148-007-0082-9
Publisher site
See Article on Publisher Site

Abstract

Different methods are considered for improving the quality of large-sized medium-grain graphites. Among these methods as very effective it is possible to separate assembly of a needle in the central part of the die making it possible to compact billets with a central hole that markedly reduces internal stresses in the material during heat treatment; use of oleic acid as a surfactant during mixing makes it possible to reduce the pitch content of the mix; elimination of the mixer method of cooling the coke-pitch mix before compaction that increases the temperature uniformity of the compacted material.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Dec 18, 2007

References

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