Abstract
Heat wave in elastic material generated by an impulsive heating of the free surface is analyzed numerically in order to clarify the mechanism of a rapid alloying technology. The TVD finite difference scheme is applied for the present study to catch the discontinuous thermal waves clearly. The present numerical scheme is justificable from the results of behavior of heat waves propagated through Al metal. In addition, the propagation of heat wave through a contact boundary between two different metals, Al and Ni, is examined. The numerical results suggest that the possibility of direct contribution of heat wave to the most part of Al-Ni alloy is denied, but complicated variations of temperature are occurred at the interface. These results indicate that analyses including a phase transition phenomenon are required.
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