J. Mater. Sci. Technol. ›› 2009, Vol. 25 ›› Issue (05): 717-720.

• Articles • 上一篇    

Preparation of Al3Sc Intermetallic Compound by FFC Method

廖先杰1;谢宏伟2;翟玉春3;张懿1   

  1. 1. 东北大学
    2. 辽宁沈阳东北大学
    3. 东北大学材料与冶金学院
  • 收稿日期:2009-02-19 修回日期:2009-07-14 出版日期:2009-09-28 发布日期:2009-10-10
  • 通讯作者: 谢宏伟
  • 基金资助:

    The National Natural Science Foundation of China is gratefully acknowledged for ¯nancial support under grant No. 50674026

Preparation of Al3Sc Intermetallic Compound by FFC Method

Xianjie Liao Hongwei Xie Yuchun Zhaiy Yi Zhang   

  1. School of Materials and Metallurgy, Northeasten University, Shenyang 110004, China
  • Received:2009-02-19 Revised:2009-07-14 Online:2009-09-28 Published:2009-10-10

摘要:

The FFC Cambridge process is a direct electrodeoxidation process used to reduce metal oxides to their constituent metals in a molten NCl-CaCl2 salt bath. Al-Sc compound oxides are used as a precursor which formed upon blending and sintering Al2O3, Sc2O3 and Al powders and is successfully reduced using the FFC Cambridge process at 973 K and a constant cell voltage of -3.2V to produce Al3Sc alloy. This method is applied to the preparation of fine Al3Sc particles, which can give aluminum industry another new view.

关键词: FFC, Scandium, aluminum, Al alloy, Al3Sc, electrowinning

Abstract:

The FFC Cambridge process is a direct electrodeoxidation process used to reduce metal oxides for metals or alloys in molten salts. Al-Sc compound oxides are used as a precursor which formed upon blending and sintering Al2O3, Sc2O3 and Al powders and are successfully reduced by using the FFC Cambridge process at 973 K with a constant cell voltage of −3.2 V. This method is applied to the preparation of fine Al3Sc particles, which can give another new view for aluminum industry.

Key words: FFC, Scandium, Aluminum, Al alloy, Al3Sc, Electrowinning