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Properties and rapid consolidation of binderless nanostuctured Ti (C, N) by pulsed current activated sintering

  • Jeonbuk National University
  • Korea Institute of Geoscience, Mining and Materials Resources

Research output: Contribution to journalJournal articlepeer-review

Abstract

The grain size of Ti (C, N) decreases with an increase in ball milling time. Ti (C, N) nanopowder was fabricated by high energy ball milling for 10 h. The rapid sintering of nanostuctured Ti (C, N) hard materials was investigated with pulsed current activated sintering via a heating sintering process. The advantage of this process is that it allows very quick densification to near theoretical density and prohibition of grain growth in nanostuctured materials. A dense nanostructured Ti (C, N) hard material with a relative density of up to 98% was produced with simultaneous application of 80 MPa pressure and a pulsed current of 2700 A within 3 minutes. The effect of ball milling time on the sintering behavior, grain size and mechanical properties of binderless Ti (C, N) was investigated.

Original languageEnglish
Pages (from-to)441-445
Number of pages5
JournalJournal of Ceramic Processing Research
Volume13
Issue number4
StatePublished - 2012

Keywords

  • Mechanical properties
  • Milling
  • Nanomaterials
  • Rapid sintering

Quacquarelli Symonds(QS) Subject Topics

  • Materials Science

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