Abstract
The region of a solid-liquid phase transition, which propagates at a finite velocity into a cylindrical conductor under the conditions of slightly inhomogeneous heating by a current pulse, is considered as a melting wave. The results of numerical simulation of the melting wave in a tungsten wire heated by a nanosecond high-power current pulse are presented. It is shown that the melting wave in this system cannot be treated as an infinitely thin transition region between solid and liquid metal phases.
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