A two-dimensional mathematical model of high-temperature synthesis of chemical compounds and alloys in the dynamic thermal explosion mode is proposed for heating a powder compact in a steel cylindrical reactor by an induction heat source. The set of chemical reactions is described by a total reaction with effective formal-kinetic parameters. The kinetic law takes into account the possible strong inhibition of the total reaction rate with accumulation of the synthesis product. The model makes it possible to study the macroscopic physical regularities of the synthesis of intermetallic compound, taking into account the melting process. The melting process is described by analogy with the two-phase zone theory. The results obtained with and without taking into account the melting process have been compared. It has been revealed that melting can lead to a qualitative change in the product formation and different temperature distributions in the reactor volume.
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Bukrina, N.V. Accounting for the Melting Effect on the Formation of Synthesis Products. Russ Phys J 65, 1787–1794 (2023). https://doi.org/10.1007/s11182-023-02832-4
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DOI: https://doi.org/10.1007/s11182-023-02832-4