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International Journal of Fluid Mechanics Research
ESCI SJR: 0.22 SNIP: 0.446 CiteScore™: 0.5

ISSN Print: 2152-5102
ISSN Online: 2152-5110

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v27.i2-4.50
pages 239-247

Linear Analysis of Dynamic Instability of Solidification with a Quasiequilibrium Mushy Zone

Dmitri V. Alexandrov
Urals State University, Ekaterinburg, Russian Federation

ABSTRACT

Linear analysis of dynamic instability is carried out for a unidirectional solidification of binary melts in the presence of a mushy zone. An equation for the parameter characterizing a time behavior of perturbations is deduced. Regions of stability and instability corresponding to the "hard" and "soft" types of instability evolution are calculated for actual alloys.


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