한국분말야금학회:학술대회논문집 (Proceedings of the Korean Powder Metallurgy Institute Conference)

한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
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Sintering Behavior of Mechanically Alloyed Titanium - Titanium Nitride Nanocomposite Powders

  • Dabhade, Vikram V. (Dept. of Metallurgical Engineering and Materials Science, Indian Institute of Technology) ;
  • Panigrahi, B.B. (Dept. of Metallurgical and Materials Engineering, Indian Institute of Technology) ;
  • Godkhindi, M.M. (Dept. of Metallurgical and Materials Engineering, Indian Institute of Technology) ;
  • Rama Mohan, T. R. (Dept. of Metallurgical Engineering and Materials Science, Indian Institute of Technology) ;
  • Ramakrishnan, P. (Dept. of Metallurgical Engineering and Materials Science, Indian Institute of Technology)
  • 발행 : 2006.09.24
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초록

The sintering behavior of titanium-titanium nitride nanocomposite powders has been studied by dilatometry. Titanium. titanium nitride nanocomposite powders were produced by the reactive milling of micron sized titanium powder $(12\;{\mu}m)$ in nitrogen atmosphere. The Ti-TiN nanocomposite powders milled for various durations along with the initial micron sized Ti powders were then sintered in the temperature range of $450-1000^{\circ}C$ by a constant rate of heating $(10^{\circ}C/min)$. The linear shrinkage, shrinkage rate, activation energy for sintering and microstructure has been studied and discussed as a function of milling time.

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