Coupled processes in the Mgo - Al sub(2)O sub(3)-Sio sub(2 ) system and oscillating autocatalytic evolution of the phase composition

The increasing difficulties in collecting information about dissipative systems that would be necessary and sufficient for desirable control over the manufacturing process are discussed. It is shown that the processes of mass transfer responsible for the solid-phase reversible chemical reactions in...

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Bibliographic Details
Published in:Refractories and industrial ceramics 1999-03, Vol.40 (3-4), p.135-141
Main Authors: Logvinkov, S M, Semchenko, G D, Kobyzeva, DA
Format: Article
Language:English
Subjects:
Aluminum oxide
Ceramics
Evolution
Heat treatment
Magnesium oxide
Mass transfer
Oscillating
Phase composition
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Summary:The increasing difficulties in collecting information about dissipative systems that would be necessary and sufficient for desirable control over the manufacturing process are discussed. It is shown that the processes of mass transfer responsible for the solid-phase reversible chemical reactions in the MgO - Al sub(2)O sub(3) - SiO sub(2) system have an autocatalytic and oscillating nature. The possibility of providing in the heat-treatment process the requisite level of the evolution of the phase composition for obtaining materials with a specified combination of properties is discussed.
ISSN:1083-4877
1573-9139
DOI:10.1007/BF02762368