Paper Title:
Synthesis of Titanium Carbide by Heat Treatment of TiH2 and Carbon Black Powders
  Abstract

TiC cermet is widely used for working dies with a high hardness and tool materials. In this research, we attempted to produce submicron sized TiC powders from the ball milled TiH2 and carbon black mixture by thermal treatment. The titanium hydride and carbon composite powders were milled under argon atmosphere for 7 hours at various ball to powder ratios. At the initial stage, an increase in particle size was observed, and graphite phase disappered. The TiC phase of 300nm mean particle size was obtained by milling for 5 hours. As a result, its morphologies were excessively agglomerated. At the heat treating temperature of 500°C, TiH2 phase transformed to Ti completely and the complete TiC of lattice parameter 0.431 nm was formed when the temperature reached 1000°C. Metal matrix composites(MMCs) based on the Fe-TiC system can be synthesized by spark plasma sintering. Specimen formed sintering Fe-TiC powders display a microstructure of uniformly dispersed TiC grain in a continuous metal matrix.

  Info
Periodical
Materials Science Forum (Volumes 534-536)
Edited by
Duk Yong Yoon, Suk-Joong L. Kang, Kwang Yong Eun and Yong-Seog Kim
Pages
225-228
DOI
10.4028/www.scientific.net/MSF.534-536.225
Citation
I. S. Ahn, S. Y. Bae, H. J. Cho, C. J. Kim, D. K. Park, "Synthesis of Titanium Carbide by Heat Treatment of TiH2 and Carbon Black Powders ", Materials Science Forum, Vols. 534-536, pp. 225-228, 2007
Online since
January 2007
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Price
$32.00
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