Phase, Structural and Microstructural Changes in the TiC1-x – Cr3C2 Materials

Abstract:

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The earlier studies showed that addition of different chromium carbides to nonstoichiometric fine titanium carbide improve sintering in the similar way. The phase, structural and microstructural changes for addition of various chromium carbides were also similar. In the present work the composite materials were made of various carbon quantity saturated titanium carbide (as matrix) and commercial chromium carbide Cr3C2 (as additive). The titanium carbide powders with variable content of carbon in structure were synthesized by the SHS method. The chromium carbide in quantity of 7.5 % by volume was added to the initial mixture. The influence of various stoichiometry of titanium carbide on onset temperature of sintering was examined by use of high temperature dilatometer. The phase and structural changes of examined materials during sintering were made using XRD and Rietveld method. The evolution of microstructure, versus of different stoichiometry titanium carbides, was observed by use of scanning electron microscopy.

Info:

Periodical:

Edited by:

Pietro VINCENZINI, Sheldon WIEDERHORN and Paolo COLOMBO

Pages:

112-117

DOI:

10.4028/www.scientific.net/AST.65.112

Citation:

P. Rutkowski et al., "Phase, Structural and Microstructural Changes in the TiC1-x – Cr3C2 Materials", Advances in Science and Technology, Vol. 65, pp. 112-117, 2010

Online since:

October 2010

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Price:

$35.00

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