Express-analysis of Phase Composition of SHS Products

Abstract

The first results of express identification of phase formation in the course of selfpropagating high-temperature synthesis are presented. The proposed method does not replace the metallographic analysis. In the basis of the express method, the hypothesis about the integral picture of combustion formed during the reaction is an
individual ”image” of the process inherent in a particular system. The formation of the ”image” is affected by the physical and chemical processes that are taking place. The results of the correlation analysis of the surface images of synthesized materials (FeOAl-TiC, Al-C-Cr2O3 -CrO3, Nb2O5 -Ti) and photographs of their sections are presented. The method can become an additional tool for analyzing the relationship between the combustion regime and the properties of the resulting material.


Keywords: SHS, correlation coefficient, phase formation

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