Abstract
A novel arc additive manufacturing process using cable-type wire (CWAAM) was successfully used for the first time to fabricate Fe3Al intermetallic with 33 at% aluminum content. The microstructure and mechanical properties of the in situ prepared Fe3Al alloy were evaluated through optical microstructural characterization, X-ray diffraction for phase analysis, electron dispersion spectroscopy for chemical composition analysis, hardness testing, and compression testing. The results indicate that compared with Fe3Al alloy prepared by traditional sintering or mechanical alloying methods, the Fe3Al alloy prepared by CWAAM exhibits relatively uniform distribution of alloying elements and higher compressive strength.
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