Fe Reduction by Carbon during Self-Propagating High-Temperature Synthesis of Fe-TiC Composite

The results of experimental investigations of combustion of the powder mixture of titanium, carbon, and ferrous oxide (III) are shown in this paper. Iron reduction by carbon is an endothermic reaction and proceeds in combustion wave of SHS due to the heat of high-exothermic reaction of TiC formation...

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Bibliographic Details
Published in:Key Engineering Materials 2016-02, Vol.685, p.768-771
Main Authors: Amosov, Aleksandr P., Yatsenko, Igor V., Yatsenko, Vladimir V., Samboruk, A.
Format: Article
Language:English
Subjects:
Carbon
Combustion
Granular materials
Granules
Iron
Reduction
Self-propagating synthesis
Titanium carbide
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Summary:The results of experimental investigations of combustion of the powder mixture of titanium, carbon, and ferrous oxide (III) are shown in this paper. Iron reduction by carbon is an endothermic reaction and proceeds in combustion wave of SHS due to the heat of high-exothermic reaction of TiC formation. It was found that it is impossible to initiate the combustion process with (Fe2O3+C) content of 50 wt. % or more of the initial charge composition. With not very high content of (Fe2O3+C), only Fe and TiC are found in the reaction products. When approaching its content to 50 wt. %, also С and FeO impurity phases are detected. The SHS product is a cake of separate granules of Fe-TiC with the granule size of 100-500 μm.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.685.768