Fe-Sn Intermetallics Synthesized via Mechanical Alloying-Sintering and Mechanical Alloying-Thermal Spraying

Abstract:

Iron (Fe)-tin (Sn) intermetallics were synthesized by using two different routes. These two routes had a common synthesis step, in which Fe powder (19 wt. %) was mechanically alloyed with Sn powder (81 wt. %) for 25 h under argon atmosphere. The mechanically alloyed powders were then treated with different heating routes. In the first route, the compacts of the mechanically alloyed powders were sintered at different temperatures for different times. It was found that the FeSn₂ content increased with increasing temperature and time. There were small traces of Fe, Sn and FeSn found in the sintered materials. In the second route, the mechanically alloyed powders were plasma-sprayed using different currents of 300, 400 and 500 A. It was found that the porous coatings produced by plasma sprayng consisted of mixed Fe, Sn, FeSn₂, SnO, FeO and Fe₃O₄ for all employed currents.

• Periodical: Key Engineering Materials (Volume 659)
• Pages: 329-334
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.659.329
• Online since: August 2015
• Authors: Pinya Meesa-Ard, Viton Uthaisangsuk, Nattaya Tosangthum, Panadda Sheppard, Pongsak Wila, Ruangdaj Tongsri*
• Keywords: Fe-Sn Intermetallics, Mechanical Alloying, Plasma Spraying, Sintering

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