Mechanically induced carbonization for formation of nanocrystalline TiC alloy

M. Sherif El-Eskandarany, M. Omori, T. Kamiyama, Toyohiko Konno, K. Sumiyama, T. Hirai, K. Suzuki

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A single phase of NaCl-type structure of Ti44C56 alloy powder has been synthesized by ball-milling elemental Ti and graphite powders at room temperature. The end-product of Ti44C56 that is obtained after 720 ks of milling consists of fine grains of about 3 nm in diameter and possesses homogeneous powder with an average particle diameter of less than 0.4 μm. The milled powder has been consolidated into bulk samples, using a plasma activated sintering method. This consolidation step leads to the formation of fully-dense TiC compacts with nano-structure grains. The as-milled powder and the as-consolidated bulk samples have been characterized after selected milling times by means of X-ray diffraction, transmission electron microscope, scanning electron microscope and chemical analyses. Some of the compacted samples were investigated by small-angle X-ray scattering and high-resolution transmission electron microscope. The hardness and some mechanical properties of the end-product are reported. On the basis of the results of the present study, the ball-milling technique accompanied with plasma activated sintering can provide powerful tools for fabrication of nanocrystalline TiC bulk alloys.

Original languageEnglish
Pages (from-to)181-193
Number of pages13
JournalScience Reports of the Rerearch Institutes Tohoku University Series A-Physics
Volume43
Issue number2
Publication statusPublished - 1997 Mar 1

Keywords

  • Consolidation
  • Mechanical alloying
  • Morphology
  • Nanocrystalline materials
  • Structure
  • Titanium carbide

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Metals and Alloys

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    Sherif El-Eskandarany, M., Omori, M., Kamiyama, T., Konno, T., Sumiyama, K., Hirai, T., & Suzuki, K. (1997). Mechanically induced carbonization for formation of nanocrystalline TiC alloy. Science Reports of the Rerearch Institutes Tohoku University Series A-Physics, 43(2), 181-193.