Electrochemical Deoxidation of Titanium and Its Alloy Using Molten Magnesium Chloride

Yu ki Taninouchi, Yuki Hamanaka, Toru H. Okabe

研究成果: Contribution to journalArticle査読

17 被引用数 (Scopus)

抄録

Oxygen was directly removed from pure titanium and a Ti-6Al-4V alloy by electrolysis in molten MgCl2 at 1173 K (900 °C), where the metal being refined was the cathode and a graphite rod was used as the anode. By applying a voltage of approximately 3 V between the electrodes, commercially pure titanium, containing 1200 mass ppm oxygen, and the Ti-6Al-4V alloy, containing 1400 mass ppm oxygen, were deoxidized to 500 mass ppm or less. Under certain conditions, extra-low-oxygen titanium (as low as 80 mass ppm oxygen) was obtained using this electrochemical technique. The results obtained in this study indicate that the electrochemical deoxidation of titanium in molten MgCl2 is feasible and applicable not only to the refinement of primary metals, but also for upgrading machined titanium products and recycling metal scraps.

本文言語英語
ページ(範囲)3394-3404
ページ数11
ジャーナルMetallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
47
6
DOI
出版ステータス出版済み - 12 1 2016
外部発表はい

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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