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Synthesis of high pure Ti3AlC2 and Ti2AlC powders from TiH2 powders as Ti source by tube furnace

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Abstract

Titanium aluminum carbide (Ti3AlC2 and Ti2AlC) powders were synthesized from TiH2 powders instead of Ti powders as Ti source by a tube furnace under argon atmosphere without preliminary dehydrogenation. 95 wt% pure Ti3AlC2 powders were synthesized from TiH2/1.1Al/2TiC at 1 450 °C for 120 min. High-purity Ti2AlC powders were also prepared from 3TiH2/1.5Al/C and 2TiH2/1.5Al/TiC powders at 1 400 °C for 120 min. The as-synthesized samples were porous and easy to be ground into powders. Sn or Si additives in starting materials increased the purity of synthesized Ti3AlC2 obviously and expanded the temperature range for the synthesis of Ti3AlC2. With Si or Sn as additives, high pure Ti3AlC2 was synthesized at 1 200 °C for 60 min from TiH2/x Si/Al/2TiC and TiH2/x Sn/Al/2TiC (x = 0.1, 0.2), respectively.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo, 454000, China

    Liang Li  (**良), Aiguo Zhou  (周爱国), Lin Xu, Zhengyang Li & Libo Wang

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  1. Liang Li  (**良)
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  2. Aiguo Zhou  (周爱国)
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  3. Lin Xu
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  4. Zhengyang Li
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  5. Libo Wang
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Corresponding author

Correspondence to Aiguo Zhou  (周爱国).

Additional information

Funded by National Natural Science Foundation of China (Nos. 51002045, 51205111), Program for Innovative Research Team (in Science and Technology) in the University of Henan Province (No.2012IRTSTHN007), IRTHPU (No.T2013-4), and Opening Project of Henan Key Discipline Open Laboratory of Mining Engineering Materials (No.MEM12-5)

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Li, L., Zhou, A., Xu, L. et al. Synthesis of high pure Ti3AlC2 and Ti2AlC powders from TiH2 powders as Ti source by tube furnace. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 28, 882–887 (2013). https://doi.org/10.1007/s11595-013-0786-2

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  • DOI: https://doi.org/10.1007/s11595-013-0786-2

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