Eddy Current and Microwave Characterization of Fe- Based Alloy Synthesized by Mechanical Alloying

Z. Hamlati, S. Bergheul, M. Azzaz
University of Saad Dahleb, DZ

Keywords: mechanical alloying, nanostructured materials, Fe-Al, eddy current, microwave absorption


In the present study mechanical alloying has been used to obtain bulk nanocrystalline FeAl intermetallic compound. Nanocrystalline powder of Fe(Al) solid solution was the product of ball milling. The structural effects of mechanical alloying of powders were investigated by X- Ray diffraction analysis, microwaves and eddy current technique. The complete formation of bcc-FeAl solid solution was observed after 4 h of milling. Crystallite size of 10nm was obtained after 24 hours of milling. Experimental results showed that fine nanocrystalline alloy powders prepared by mechanical milling were very promising for microwave applications.