Competition of primary and eutectic crystals in invariant and univariant reactions

The concept of disperse tie-line is introduced to study the competitive participation of eutectic (small) and primary (large) crystals in phase transitions. The problem of partition of the concentration space, in which the reaction L + I = J + K occurs, into three parts, first of which contains (alo...

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Bibliographic Details
Published in:Crystallography reports 2012-12, Vol.57 (7), p.979-983
Main Authors: Lutsyk, V. I., Nasrulin, E. R.
Format: Article
Language:English
Subjects:
Crystallographic Software
Crystallography and Scattering Methods
Physics
Physics and Astronomy
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Summary:The concept of disperse tie-line is introduced to study the competitive participation of eutectic (small) and primary (large) crystals in phase transitions. The problem of partition of the concentration space, in which the reaction L + I = J + K occurs, into three parts, first of which contains (along with other elements of heterogeneous material microstructure) only large crystals I 1 ; the second part contains only small crystals I e ; and the third part contains a mixture of small and large crystals, I e + I 1 , is considered. As a result of the competitive participation of eutectic and primary crystals in the peritectic stage of a univariant three-phase reaction, the concentration space is divided into two fragments that differ in the presence (or absence) of small eutectic crystals.
ISSN:1063-7745
1562-689X
DOI:10.1134/S1063774512070152