Powder Metallurgy and Metal Ceramics

, Volume 51, Issue 5–6, pp 295–300 | Cite as

Phase formation and interaction between nanosized nonstoichiometric silicon carbide and iron oxide

Refractory and Ceramic Materials

The interaction between nanosized powder of a solid solution of carbon in silicon carbide and iron oxide (as iron oxide pigment and disperse sintered iron ore concentrate) in high-temperature heating is studied. The quantitative phase composition of the products is analyzed. The potential reactions between silicon carbide and iron oxide are examined. It is established that the (SiC–C)–Fe2O3 powder mixtures interact to produce a heterophase structure through the reduction of iron and the formation of silicides (ε-FeSi, Fe2Si, Fe3Si, Fe5Si3), carbides (Fe3C, Fe7C3), and iron (α-Fe) as fine particles with homogenous microstructure.


solid solution of carbon in silicon carbide sintered iron ore concentrate iron oxide iron silicide high-carbon iron carbide 


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© Springer Science+Business Media New York 2012

Authors and Affiliations

  1. 1.Frantsevich Institute for Problems of Materials ScienceNational Academy of Sciences of UkraineKievUkraine

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