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Titan carbide based nano-crystalline solid solutions: Production and compacting [in Russian]

Gachechiladze, A. A. and Mikeladze, A. G. and Gabunia, D. L. and Margiev, B. G. and Chedia, R. V. and Tsuladze, T. A. and Zekalashvili, R. K. and Tsagareishvili: , O. A. (2010) Titan carbide based nano-crystalline solid solutions: Production and compacting [in Russian]. Nano Studies, 2 . pp. 23-29. ISSN 1987-8826

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Titan carbide based nano-crystalline solid solutions TiC + Ni (10 %) have been obtained by the chemical synthesis method in reaction between titanium hydride compounds and carbide-forming and binding components. Nickel has been chosen for the binding metal. Theoretical thermodynamic analysis performed for the ternary system (Ti – C) – Ni (10 %) has shown that TiC and TiNi compounds are able to be formed within the wide interval of concentrations, (28 – 48) wt. %. On purpose obtaining of the TiC + Ni (10 %) nano-crystalline powders titanium hydride, nickel chloride and soot were used as starting materials in charges molar-ratios as Тi:C:Ni = 1:1:0.1. Obtained product TiC + Ni was a black agglomerated nano-crystalline powder. Then, produced powders have been compacted in two stages applying specially elaborated spark-plasma-synthesis plant. Full-stroke compacting of powders takes (3 – 4) min. Proposed method of synthesis allows the retaining of a nano-crystalline structure even in compacted samples and goods.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
ID Code:11751
Deposited By:Professor Levan Chkhartishvili
Deposited On:20 Jan 2012 17:23
Last Modified:20 Jan 2012 17:23

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