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earch; acc Microstructures arrested at different stages of completion in case of both the modes of self-propagating high-temperature syn-or combustion synthesis offers an attractive alternative influence the process evolution [15]. Reaction mecha-nism is meant to reconstruct the events that accompany the conversion from the reactant mixture to the product. It is, in effect, equivalent to ‘‘structural macrokinetics’’ by layer-wise microstructural analysis of an arrested As far as quenching thermal explosion is concerned, it can only be done in an indirect way by manipulating the reaction parameters that control the process. Varma et al. [17] also mentioned such a method in their review. Among the parameters, green density and dilution are of little significance. So is the case for Al particle size as SHS of NiAl involves melting of either Al or its eutectic