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ABSTRACT
Flame propagation in the self-propagating high-temperature synthesis (SHS) process is studied experimentally with a densified condensed medium of titanium and carbon powder. Effects of dilution on the burning velocity and the range of flammability are investigated using TiC, which is the final product of the reaction, as diluent. Effects of mixture ratio of Ti and C, diameter of carbon particle, and type of carbon are also studied. The dilution is found not only to reduce the burning velocity and narrow the range of flammability, but also to suppress the appearance of combustion instability such as pulsating combustion. The average particle size of carbon, the density of carbon, and the surface area of carbon particle are also shown to be important parameters in determining the burning velocity.