Effect of thermal conductivity on reaction front propagation during combustion synthesis of intermetalics
2006
A mathematical model is developed to investigate the effect of thermal conductivity on the combustion synthesis of intermetallics. The governing equations are solved using a high-order-implicit numerical scheme capable of accommodating the steep spatial and temporal gradients of properties. A parametric study is then performed to elucidate reaction characteristics (propagation type, steady-state propagation velocity, peak temperature, etc.) in terms of the thermal conductivity ratio, κ=kp/kr. The predicted results appear plausible and consistent with the trends presented in the available literature.
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