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Metals and Materials International

, Volume 19, Issue 3, pp 527–532 | Cite as

Direct synthesis of zirconium powder by magnesium reduction

  • Dong-Won Lee
  • Jung-Yeul Yun
  • Sung-Won Yoon
  • Jei-Pil WangEmail author
Article

Abstract

The direct synthesis of zirconium powder has been conducted through an analysis of the chemical reaction between evaporated ZrCl4 and molten magnesium over a range of reduction temperatures, concentration of hydrochloric acid, and stirring time. The observed results indicated that the purity of zirconium powder increased with increased stirring time, and Mg and MgCl2 were removed by 10 wt% of hydrochloric acid solution. The pure zirconium powder was obtained by stirring again for 5 h using 5 wt% of hydrochloric acid solution. It was noted that the mean particle size increased when the reaction temperature was increased, and the size of the powder at 1,123 K and 1,173 K was found to be 10 μm and 15 μm, respectively. In addition, the purity of the powder was also improved with temperature, and its purity finally reached up to 99.5% at 1,250 K. Overall, pure zirconium powder was obtained after a stirring stage for 5 hours using 5 wt% of hydrochloric acid solution.

Key words

chemical synthesis powder processing zirconium purification metals 

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Copyright information

© The Korean Institute of Metals and Materials and Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Dong-Won Lee
    • 1
  • Jung-Yeul Yun
    • 1
  • Sung-Won Yoon
    • 2
  • Jei-Pil Wang
    • 3
    Email author
  1. 1.Powder Technology Research GroupKorea Institute of Materials Science (KIMS)Changwon, KyungnamKorea
  2. 2.School of ArchitectureSeoul National University of Science and TechnologySeoulKorea
  3. 3.Department of Metallurgical EngineeringPukyong National UniversityBusanKorea

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