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Mechanochemical synthesis and thermoelectric properties of TiFe2Sn Heusler alloy.
Mechanochemical synthesis and thermoelectric properties of TiFe2Sn Heusler alloy.
- Source :
-
Intermetallics . Jun2021, Vol. 133, pN.PAG-N.PAG. 1p. - Publication Year :
- 2021
-
Abstract
- Heusler alloys have attracted much attention due to their low toxicity, mechanical and thermal stability, relative abundance, and potential for thermoelectric power generation. Herein, we demonstrate that TiFe 2 Sn full-Heusler alloy can be obtained by a mechanochemical synthesis of metal precursors followed by spark plasma sintering. It is shown that thus prepared samples exhibit the ordered structure (Heusler phase, MnCu 2 Al-type). The influence of processing parameters on microstructure, phase composition, and thermoelectric properties of TiFe 2 Sn is studied. The thermoelectric figure of merit of the sample fabricated under optimal mechanochemical processing parameters is comparable to that of TiFe 2 Sn synthesized using the conventional route. Thus, our results indicate that the mechanochemical synthesis is a facile, scalable, and cost-effective route for the preparation of TiFe 2 Sn Heusler alloys. • TiFe 2 Sn prepared by mechanochemical synthesis followed by spark plasma sintering. • Mechanochemical synthesis performed at room temperature. • Figure of merit similar to that of TiFe 2 Sn synthesized by a conventional path. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09669795
- Volume :
- 133
- Database :
- Academic Search Index
- Journal :
- Intermetallics
- Publication Type :
- Academic Journal
- Accession number :
- 149804636
- Full Text :
- https://doi.org/10.1016/j.intermet.2021.107195