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Control and parameterization of dynamical nonlinear processes during first-order phase transition

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2 Author(s)
L. A. Bityutskaya ; Voronezh State Univ., Russia ; E. S. Mashkina

Thermodynamical conditions of beginning dynamical nonlinear processes near the melting point of crystal matters with different type of chemical bond were identified by the technique of digital differential-thermal analysis (DTA). Cooperative pre- and post-melting effects are nonequilibrium phase transitions and can be characterized by the system of thermodynamical parameters J. Introduced system of the parameters characterise of formation specific structure state in a material-mesophase pre- and post-melting. Parameterization of the transient processes during first-order phase transition gives opportunity to investigate influence of different factors, such as initial conditions, heating rate, mass of sample, internal magnetic fields, on mesophase formation.

Published in:

Physics and Control, 2003. Proceedings. 2003 International Conference  (Volume:1 )

Date of Conference:

20-22 Aug. 2003