Formation mechanism of titanium boride nanoparticles by RF induction thermal plasma

Yingying Cheng, Masaya Shigeta, Sooseok Choi, Takayuki Watanabe

研究成果: Contribution to journalArticle査読

46 被引用数 (Scopus)


The formation mechanism of titanium boride functional nanoparticles by the radio frequency induction thermal plasma was investigated by experiment and numerical analysis. The mixed powders of titanium and boron were injected into the plasma and evaporated immediately, and then nanoparticles were produced through the quenching process. The nanoparticle products were characterized by phase composition and crystalline diameter. TiB 2 was easily synthesized with a low powder feed rate in the boron-rich condition, because the molar ratio of evaporated and nucleated boron in plasma was enhanced. The prepared titanium boride nanoparticles had the average crystalline diameter ranging from 10 to 30nm, and it was reduced with decreasing the powder feed rate and titanium content in the raw material due to abundant number of boron nuclei. This paper demonstrates the feasibility of the control of titanium boride nanoparticles' crystalline mean diameter and phase composition with different raw material condition in the RF induction thermal plasma synthesis.

ジャーナルChemical Engineering Journal
出版ステータス出版済み - 2 15 2012

All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 環境化学
  • 化学工学(全般)
  • 産業および生産工学


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