Inorganic binders for graphite-containing crucibles

Inorganic binders for graphite-containing crucibles Some technological features of obtaining acid silica sol from slags of ferroalloy production are considered. A new binder (Vanal analog) was synthesized on the basis of the V2O3−Al2O3−TiO2−SiO2−Na2O system. Advantages of using slag binders in the fabrication of graphite-containing crucibles are demonstrated. Articles using these binders exhibit lower open porosity, gas permeability, specific volume, and permeable-pore size. The thermal stability of crucibles for casting black silumin, fabricated using the silica sol binder, was 3.8 times that of crucibles with the usual binder. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Inorganic binders for graphite-containing crucibles

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Publisher
Springer-Verlag
Copyright
Copyright © 1997 by Plenum Publishing Corporation
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/BF02767791
Publisher site
See Article on Publisher Site

Abstract

Some technological features of obtaining acid silica sol from slags of ferroalloy production are considered. A new binder (Vanal analog) was synthesized on the basis of the V2O3−Al2O3−TiO2−SiO2−Na2O system. Advantages of using slag binders in the fabrication of graphite-containing crucibles are demonstrated. Articles using these binders exhibit lower open porosity, gas permeability, specific volume, and permeable-pore size. The thermal stability of crucibles for casting black silumin, fabricated using the silica sol binder, was 3.8 times that of crucibles with the usual binder.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 26, 2007

References

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